| 0 |
| url |
VCID-19pf-yqxu-4ua8 |
| vulnerability_id |
VCID-19pf-yqxu-4ua8 |
| summary |
Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.24.3, 20.9.3, and 21.4.3 of Asterisk and versions 18.9-cert12 and 20.7-cert2 of certified-asterisk, if Asterisk attempts to send a SIP request to a URI whose host portion starts with `.1` or `[.1]`, and res_resolver_unbound is loaded, Asterisk will crash with a SEGV. To receive a patch, users should upgrade to one of the following versions: 18.24.3, 20.9.3, 21.4.3, certified-18.9-cert12, certified-20.7-cert2. Two workarounds are available. Disable res_resolver_unbound by setting `noload = res_resolver_unbound.so` in modules.conf, or set `rewrite_contact = yes` on all PJSIP endpoints. NOTE: This may not be appropriate for all Asterisk configurations. |
| references |
|
| fixed_packages |
|
| aliases |
CVE-2024-42491
|
| risk_score |
2.5 |
| exploitability |
0.5 |
| weighted_severity |
5.1 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-19pf-yqxu-4ua8 |
|
| 1 |
| url |
VCID-26cq-wj3k-fqb9 |
| vulnerability_id |
VCID-26cq-wj3k-fqb9 |
| summary |
An issue was discovered in Sangoma Asterisk through 16.28, 17 and 18 through 18.14, 19 through 19.6, and certified through 18.9-cert1. GetConfig, via Asterisk Manager Interface, allows a connected application to access files outside of the asterisk configuration directory, aka Directory Traversal. |
| references |
| 0 |
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| 1 |
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| 2 |
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| 3 |
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| 10 |
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| 11 |
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| 12 |
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| fixed_packages |
|
| aliases |
CVE-2022-42706
|
| risk_score |
2.2 |
| exploitability |
0.5 |
| weighted_severity |
4.4 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-26cq-wj3k-fqb9 |
|
| 2 |
| url |
VCID-285z-mgz1-q7cd |
| vulnerability_id |
VCID-285z-mgz1-q7cd |
| summary |
PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. Buffer overread is possible when parsing a specially crafted STUN message with unknown attribute. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as a commit in the master branch (2.13.1). |
| references |
| 0 |
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| 1 |
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| 2 |
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| 3 |
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| 4 |
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| 9 |
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| 11 |
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| 12 |
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| 13 |
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|
| fixed_packages |
|
| aliases |
CVE-2022-23537
|
| risk_score |
3.0 |
| exploitability |
0.5 |
| weighted_severity |
5.9 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-285z-mgz1-q7cd |
|
| 3 |
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| 4 |
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| 5 |
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| 6 |
| url |
VCID-546z-qwur-13h1 |
| vulnerability_id |
VCID-546z-qwur-13h1 |
| summary |
PJSIP is a free and open source multimedia communication library written in C. A buffer overflow vulnerability in versions 2.12 and prior affects applications that use PJSIP DNS resolution. It doesn't affect PJSIP users who utilize an external resolver. This vulnerability is related to CVE-2023-27585. The difference is that this issue is in parsing the query record `parse_rr()`, while the issue in CVE-2023-27585 is in `parse_query()`. A patch is available in the `master` branch of the `pjsip/pjproject` GitHub repository. A workaround is to disable DNS resolution in PJSIP config (by setting `nameserver_count` to zero) or use an external resolver instead. |
| references |
| 0 |
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| 1 |
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| 28 |
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| 29 |
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| 30 |
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| fixed_packages |
|
| aliases |
CVE-2022-24793
|
| risk_score |
3.4 |
| exploitability |
0.5 |
| weighted_severity |
6.8 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-546z-qwur-13h1 |
|
| 7 |
| url |
VCID-591f-657m-77d7 |
| vulnerability_id |
VCID-591f-657m-77d7 |
| summary |
res_pjsip_t38 in Sangoma Asterisk 15.x before 15.7.4 and 16.x before 16.5.1 allows an attacker to trigger a crash by sending a declined stream in a response to a T.38 re-invite initiated by Asterisk. The crash occurs because of a NULL session media object dereference. |
| references |
|
| fixed_packages |
|
| aliases |
CVE-2019-15297
|
| risk_score |
null |
| exploitability |
0.5 |
| weighted_severity |
0.0 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-591f-657m-77d7 |
|
| 8 |
|
| 9 |
| url |
VCID-62p4-jvnj-8kfc |
| vulnerability_id |
VCID-62p4-jvnj-8kfc |
| summary |
An issue was discovered in channels/chan_sip.c in Sangoma Asterisk 13.x before 13.29.2, 16.x before 16.6.2, and 17.x before 17.0.1, and Certified Asterisk 13.21 before cert5. A SIP request can be sent to Asterisk that can change a SIP peer's IP address. A REGISTER does not need to occur, and calls can be hijacked as a result. The only thing that needs to be known is the peer's name; authentication details such as passwords do not need to be known. This vulnerability is only exploitable when the nat option is set to the default, or auto_force_rport. |
| references |
|
| fixed_packages |
|
| aliases |
CVE-2019-18790
|
| risk_score |
0.1 |
| exploitability |
0.5 |
| weighted_severity |
0.1 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-62p4-jvnj-8kfc |
|
| 10 |
| url |
VCID-6443-b986-kfb6 |
| vulnerability_id |
VCID-6443-b986-kfb6 |
| summary |
PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In versions 2.11.1 and prior, parsing an incoming SIP message that contains a malformed multipart can potentially cause out-of-bound read access. This issue affects all PJSIP users that accept SIP multipart. The patch is available as commit in the `master` branch. There are no known workarounds. |
| references |
| 0 |
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| 1 |
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| 2 |
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| 3 |
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| 4 |
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| 27 |
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| 29 |
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| 30 |
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| 31 |
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|
| fixed_packages |
|
| aliases |
CVE-2022-21723
|
| risk_score |
4.1 |
| exploitability |
0.5 |
| weighted_severity |
8.2 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-6443-b986-kfb6 |
|
| 11 |
|
| 12 |
| url |
VCID-6uaq-9f5x-pyff |
| vulnerability_id |
VCID-6uaq-9f5x-pyff |
| summary |
Asterisk is an open source private branch exchange (PBX) and telephony toolkit. Prior to asterisk versions 18.24.2, 20.9.2, and 21.4.2 and certified-asterisk versions 18.9-cert11 and 20.7-cert2, an AMI user with `write=originate` may change all configuration files in the `/etc/asterisk/` directory. This occurs because they are able to curl remote files and write them to disk, but are also able to append to existing files using the `FILE` function inside the `SET` application. This issue may result in privilege escalation, remote code execution and/or blind server-side request forgery with arbitrary protocol. Asterisk versions 18.24.2, 20.9.2, and 21.4.2 and certified-asterisk versions 18.9-cert11 and 20.7-cert2 contain a fix for this issue. |
| references |
|
| fixed_packages |
|
| aliases |
CVE-2024-42365
|
| risk_score |
10.0 |
| exploitability |
2.0 |
| weighted_severity |
6.7 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-6uaq-9f5x-pyff |
|
| 13 |
| url |
VCID-7ah9-w27g-ckg6 |
| vulnerability_id |
VCID-7ah9-w27g-ckg6 |
| summary |
An issue was discovered in res_pjsip_diversion.c in Sangoma Asterisk before 13.38.0, 14.x through 16.x before 16.15.0, 17.x before 17.9.0, and 18.x before 18.1.0. A crash can occur when a SIP message is received with a History-Info header that contains a tel-uri, or when a SIP 181 response is received that contains a tel-uri in the Diversion header. |
| references |
|
| fixed_packages |
|
| aliases |
CVE-2020-35652
|
| risk_score |
null |
| exploitability |
0.5 |
| weighted_severity |
0.0 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-7ah9-w27g-ckg6 |
|
| 14 |
|
| 15 |
| url |
VCID-966j-625d-6fa9 |
| vulnerability_id |
VCID-966j-625d-6fa9 |
| summary |
An issue was discovered in Asterisk Open Source through 13.27.0, 14.x and 15.x through 15.7.2, and 16.x through 16.4.0, and Certified Asterisk through 13.21-cert3. A pointer dereference in chan_sip while handling SDP negotiation allows an attacker to crash Asterisk when handling an SDP answer to an outgoing T.38 re-invite. To exploit this vulnerability an attacker must cause the chan_sip module to send a T.38 re-invite request to them. Upon receipt, the attacker must send an SDP answer containing both a T.38 UDPTL stream and another media stream containing only a codec (which is not permitted according to the chan_sip configuration). |
| references |
|
| fixed_packages |
|
| aliases |
CVE-2019-13161
|
| risk_score |
null |
| exploitability |
0.5 |
| weighted_severity |
0.0 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-966j-625d-6fa9 |
|
| 16 |
|
| 17 |
|
| 18 |
| url |
VCID-avkx-5as3-jbar |
| vulnerability_id |
VCID-avkx-5as3-jbar |
| summary |
PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In versions up to and including 2.11.1 when in a dialog set (or forking) scenario, a hash key shared by multiple UAC dialogs can potentially be prematurely freed when one of the dialogs is destroyed . The issue may cause a dialog set to be registered in the hash table multiple times (with different hash keys) leading to undefined behavior such as dialog list collision which eventually leading to endless loop. A patch is available in commit db3235953baa56d2fb0e276ca510fefca751643f which will be included in the next release. There are no known workarounds for this issue. |
| references |
| 0 |
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| 1 |
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| 30 |
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| 31 |
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| 32 |
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|
| fixed_packages |
|
| aliases |
CVE-2022-23608
|
| risk_score |
3.6 |
| exploitability |
0.5 |
| weighted_severity |
7.3 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-avkx-5as3-jbar |
|
| 19 |
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| 20 |
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| 21 |
|
| 22 |
| url |
VCID-bpvn-c1qp-6fdj |
| vulnerability_id |
VCID-bpvn-c1qp-6fdj |
| summary |
PJSIP is a free and open source multimedia communication library written in C. A buffer overflow vulnerability in versions 2.13 and prior affects applications that use PJSIP DNS resolver. It doesn't affect PJSIP users who do not utilise PJSIP DNS resolver. This vulnerability is related to CVE-2022-24793. The difference is that this issue is in parsing the query record `parse_query()`, while the issue in CVE-2022-24793 is in `parse_rr()`. A patch is available as commit `d1c5e4d` in the `master` branch. A workaround is to disable DNS resolution in PJSIP config (by setting `nameserver_count` to zero) or use an external resolver implementation instead. |
| references |
| 0 |
|
| 1 |
|
| 2 |
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| 3 |
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| 4 |
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| 5 |
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| 7 |
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| 8 |
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| 10 |
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| 11 |
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| 12 |
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|
| fixed_packages |
|
| aliases |
CVE-2023-27585
|
| risk_score |
3.4 |
| exploitability |
0.5 |
| weighted_severity |
6.8 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-bpvn-c1qp-6fdj |
|
| 23 |
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| 24 |
|
| 25 |
| url |
VCID-emwd-gd9k-mygd |
| vulnerability_id |
VCID-emwd-gd9k-mygd |
| summary |
In Sangoma Asterisk through 16.28.0, 17.x and 18.x through 18.14.0, and 19.x through 19.6.0, an incoming Setup message to addons/ooh323c/src/ooq931.c with a malformed Calling or Called Party IE can cause a crash. |
| references |
| 0 |
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| 1 |
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| 2 |
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| 3 |
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| 4 |
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| 11 |
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| 12 |
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| fixed_packages |
|
| aliases |
CVE-2022-37325
|
| risk_score |
3.4 |
| exploitability |
0.5 |
| weighted_severity |
6.8 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-emwd-gd9k-mygd |
|
| 26 |
| url |
VCID-g5a4-b3bm-2ucb |
| vulnerability_id |
VCID-g5a4-b3bm-2ucb |
| summary |
Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk, SIP requests of the type MESSAGE (RFC 3428) authentication do not get proper alignment. An authenticated attacker can spoof any user identity to send spam messages to the user with their authorization token. Abuse of this security issue allows authenticated attackers to send fake chat messages can be spoofed to appear to come from trusted entities. Even administrators who follow Security best practices and Security Considerations can be impacted. Therefore, abuse can lead to spam and enable social engineering, phishing and similar attacks. Versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk fix the issue. |
| references |
|
| fixed_packages |
|
| aliases |
CVE-2025-47779
|
| risk_score |
3.5 |
| exploitability |
0.5 |
| weighted_severity |
6.9 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-g5a4-b3bm-2ucb |
|
| 27 |
| url |
VCID-h8bb-7n23-cfak |
| vulnerability_id |
VCID-h8bb-7n23-cfak |
| summary |
Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2, user supplied/control values for Cookies and any GET variable query Parameter are directly interpolated into the HTML of the page using ast_str_append. The endpoint at GET /httpstatus is the potential vulnerable endpoint relating to asterisk/main /http.c. This issue has been patched in versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2. |
| references |
|
| fixed_packages |
|
| aliases |
CVE-2026-23738
|
| risk_score |
1.6 |
| exploitability |
0.5 |
| weighted_severity |
3.1 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-h8bb-7n23-cfak |
|
| 28 |
|
| 29 |
| url |
VCID-k99k-99mz-8uc5 |
| vulnerability_id |
VCID-k99k-99mz-8uc5 |
| summary |
Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk prior to versions 18.20.1, 20.5.1, and 21.0.1; as well as certified-asterisk prior to 18.9-cert6; Asterisk is susceptible to a DoS due to a race condition in the hello handshake phase of the DTLS protocol when handling DTLS-SRTP for media setup. This attack can be done continuously, thus denying new DTLS-SRTP encrypted calls during the attack. Abuse of this vulnerability may lead to a massive Denial of Service on vulnerable Asterisk servers for calls that rely on DTLS-SRTP. Commit d7d7764cb07c8a1872804321302ef93bf62cba05 contains a fix, which is part of versions 18.20.1, 20.5.1, 21.0.1, amd 18.9-cert6. |
| references |
| 0 |
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| 1 |
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| 2 |
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| 3 |
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| 4 |
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| 11 |
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| 12 |
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| 13 |
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|
| fixed_packages |
|
| aliases |
CVE-2023-49786
|
| risk_score |
3.4 |
| exploitability |
0.5 |
| weighted_severity |
6.8 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-k99k-99mz-8uc5 |
|
| 30 |
|
| 31 |
|
| 32 |
| url |
VCID-mks4-6gne-xker |
| vulnerability_id |
VCID-mks4-6gne-xker |
| summary |
A local privilege escalation vulnerability exists in the safe_asterisk script included with the Asterisk toolkit package. When Asterisk is started via this script (common in SysV init or FreePBX environments), it sources all .sh files located in /etc/asterisk/startup.d/ as root, without validating ownership or permissions.
Non-root users with legitimate write access to /etc/asterisk can exploit this behaviour by placing malicious scripts in the startup.d directory, which will then execute with root privileges upon service restart. |
| references |
|
| fixed_packages |
|
| aliases |
CVE-2025-1131
|
| risk_score |
3.1 |
| exploitability |
0.5 |
| weighted_severity |
6.3 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-mks4-6gne-xker |
|
| 33 |
| url |
VCID-mmg1-2mu6-tyey |
| vulnerability_id |
VCID-mmg1-2mu6-tyey |
| summary |
PJSIP is a free and open source multimedia communication library written in C. In versions of PJSIP prior to 2.13 the PJSIP parser, PJMEDIA RTP decoder, and PJMEDIA SDP parser are affeced by a buffer overflow vulnerability. Users connecting to untrusted clients are at risk. This issue has been patched and is available as commit c4d3498 in the master branch and will be included in releases 2.13 and later. Users are advised to upgrade. There are no known workarounds for this issue. |
| references |
| 0 |
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| 1 |
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| 3 |
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| 15 |
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|
| fixed_packages |
|
| aliases |
CVE-2022-39244
|
| risk_score |
3.4 |
| exploitability |
0.5 |
| weighted_severity |
6.8 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-mmg1-2mu6-tyey |
|
| 34 |
| url |
VCID-mspu-bd2w-7qdw |
| vulnerability_id |
VCID-mspu-bd2w-7qdw |
| summary |
Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 18.26.4 and 18.9-cert17, RTP UDP ports and internal resources can leak due to a lack of session termination. This could result in leaks and resource exhaustion. This issue has been patched in versions 18.26.4 and 18.9-cert17. |
| references |
|
| fixed_packages |
|
| aliases |
CVE-2025-54995
|
| risk_score |
3.0 |
| exploitability |
0.5 |
| weighted_severity |
5.9 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-mspu-bd2w-7qdw |
|
| 35 |
|
| 36 |
| url |
VCID-nt4b-2zg8-gya2 |
| vulnerability_id |
VCID-nt4b-2zg8-gya2 |
| summary |
PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In versions prior to and including 2.12.1 a stack buffer overflow vulnerability affects PJSIP users that use STUN in their applications, either by: setting a STUN server in their account/media config in PJSUA/PJSUA2 level, or directly using `pjlib-util/stun_simple` API. A patch is available in commit 450baca which should be included in the next release. There are no known workarounds for this issue. |
| references |
| 0 |
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| 1 |
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| 2 |
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| 3 |
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| 4 |
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| 16 |
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| 17 |
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|
| fixed_packages |
|
| aliases |
CVE-2022-31031
|
| risk_score |
4.4 |
| exploitability |
0.5 |
| weighted_severity |
8.8 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-nt4b-2zg8-gya2 |
|
| 37 |
| url |
VCID-nuyk-gtnh-t3g2 |
| vulnerability_id |
VCID-nuyk-gtnh-t3g2 |
| summary |
PJSIP is a free and open source multimedia communication library written in C. Versions 2.12 and prior contain a stack buffer overflow vulnerability that affects PJSUA2 users or users that call the API `pjmedia_sdp_print(), pjmedia_sdp_media_print()`. Applications that do not use PJSUA2 and do not directly call `pjmedia_sdp_print()` or `pjmedia_sdp_media_print()` should not be affected. A patch is available on the `master` branch of the `pjsip/pjproject` GitHub repository. There are currently no known workarounds. |
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| fixed_packages |
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| aliases |
CVE-2022-24764
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| risk_score |
3.4 |
| exploitability |
0.5 |
| weighted_severity |
6.8 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-nuyk-gtnh-t3g2 |
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| 39 |
| url |
VCID-r429-bk4p-g3er |
| vulnerability_id |
VCID-r429-bk4p-g3er |
| summary |
PJSIP is a free and open source multimedia communication library written in C with high level API in C, C++, Java, C#, and Python languages. SRTP is a higher level media transport which is stacked upon a lower level media transport such as UDP and ICE. Currently a higher level transport is not synchronized with its lower level transport that may introduce use-after-free issue. This vulnerability affects applications that have SRTP capability (`PJMEDIA_HAS_SRTP` is set) and use underlying media transport other than UDP. This vulnerability’s impact may range from unexpected application termination to control flow hijack/memory corruption. The patch is available as a commit in the master branch. |
| references |
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| fixed_packages |
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| aliases |
CVE-2023-38703
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| risk_score |
4.4 |
| exploitability |
0.5 |
| weighted_severity |
8.8 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-r429-bk4p-g3er |
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| 40 |
| url |
VCID-rbr5-7fna-q3f6 |
| vulnerability_id |
VCID-rbr5-7fna-q3f6 |
| summary |
Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk, trying to disallow shell commands to be run via the Asterisk command line interface (CLI) by configuring `cli_permissions.conf` (e.g. with the config line `deny=!*`) does not work which could lead to a security risk. If an administrator running an Asterisk instance relies on the `cli_permissions.conf` file to work and expects it to deny all attempts to execute shell commands, then this could lead to a security vulnerability. Versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk fix the issue. |
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| fixed_packages |
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| aliases |
CVE-2025-47780
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| risk_score |
2.1 |
| exploitability |
0.5 |
| weighted_severity |
4.3 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-rbr5-7fna-q3f6 |
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| url |
VCID-u654-2myp-67e8 |
| vulnerability_id |
VCID-u654-2myp-67e8 |
| summary |
Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2, the ast_xml_open() function in xml.c parses XML documents using libxml with unsafe parsing options that enable entity expansion and XInclude processing. Specifically, it invokes xmlReadFile() with the XML_PARSE_NOENT flag and later processes XIncludes via xmlXIncludeProcess().If any untrusted or user-supplied XML file is passed to this function, it can allow an attacker to trigger XML External Entity (XXE) or XInclude-based local file disclosure, potentially exposing sensitive files from the host system. This can also be triggered in other cases in which the user is able to supply input in xml format that triggers the asterisk process to parse it. This issue has been patched in versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2. |
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| fixed_packages |
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| aliases |
CVE-2026-23739
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| risk_score |
0.9 |
| exploitability |
0.5 |
| weighted_severity |
1.8 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-u654-2myp-67e8 |
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| 44 |
| url |
VCID-vvt7-cetm-4ydt |
| vulnerability_id |
VCID-vvt7-cetm-4ydt |
| summary |
Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2, the asterisk/contrib/scripts/ast_coredumper runs as root, as noted by the NOTES tag on line 689 of the ast_coredumper file. The script will source the contents of /etc/asterisk/ast_debug_tools.conf, which resides in a folder that is writeable by the asterisk user:group. Due to the /etc/asterisk/ast_debug_tools.conf file following bash semantics and it being loaded; an attacker with write permissions may add or modify the file such that when the root ast_coredumper is run; it would source and thereby execute arbitrary bash code found in the /etc/asterisk/ast_debug_tools.conf. This issue has been patched in versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2. |
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| fixed_packages |
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| aliases |
CVE-2026-23741
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| risk_score |
null |
| exploitability |
0.5 |
| weighted_severity |
0.0 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-vvt7-cetm-4ydt |
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| 45 |
| url |
VCID-wcrz-h8xd-cbez |
| vulnerability_id |
VCID-wcrz-h8xd-cbez |
| summary |
An issue was discovered in manager.c in Sangoma Asterisk through 13.x, 16.x, 17.x and Certified Asterisk 13.21 through 13.21-cert4. A remote authenticated Asterisk Manager Interface (AMI) user without system authorization could use a specially crafted Originate AMI request to execute arbitrary system commands. |
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| fixed_packages |
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| aliases |
CVE-2019-18610
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| risk_score |
0.2 |
| exploitability |
0.5 |
| weighted_severity |
0.4 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-wcrz-h8xd-cbez |
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| 46 |
| url |
VCID-x29s-dc4y-jyf5 |
| vulnerability_id |
VCID-x29s-dc4y-jyf5 |
| summary |
Buffer overflow in res_pjsip_messaging in Digium Asterisk versions 13.21-cert3, 13.27.0, 15.7.2, 16.4.0 and earlier allows remote authenticated users to crash Asterisk by sending a specially crafted SIP MESSAGE message. |
| references |
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| fixed_packages |
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| aliases |
CVE-2019-12827
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| risk_score |
0.1 |
| exploitability |
0.5 |
| weighted_severity |
0.2 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-x29s-dc4y-jyf5 |
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| 47 |
| url |
VCID-x9x1-xcqa-5qdw |
| vulnerability_id |
VCID-x9x1-xcqa-5qdw |
| summary |
PJSIP is a free and open source multimedia communication library written in C. A denial-of-service vulnerability affects applications on a 32-bit systems that use PJSIP versions 2.12 and prior to play/read invalid WAV files. The vulnerability occurs when reading WAV file data chunks with length greater than 31-bit integers. The vulnerability does not affect 64-bit apps and should not affect apps that only plays trusted WAV files. A patch is available on the `master` branch of the `pjsip/project` GitHub repository. As a workaround, apps can reject a WAV file received from an unknown source or validate the file first. |
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| aliases |
CVE-2022-24792
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| risk_score |
3.4 |
| exploitability |
0.5 |
| weighted_severity |
6.8 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-x9x1-xcqa-5qdw |
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VCID-xb6q-6m1c-5yfj |
| vulnerability_id |
VCID-xb6q-6m1c-5yfj |
| summary |
A use-after-free in res_pjsip_pubsub.c in Sangoma Asterisk 16.28, 18.14, 19.6, and certified/18.9-cert2 may allow a remote authenticated attacker to crash Asterisk (denial of service) by performing activity on a subscription via a reliable transport at the same time that Asterisk is also performing activity on that subscription. |
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| aliases |
CVE-2022-42705
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| risk_score |
3.0 |
| exploitability |
0.5 |
| weighted_severity |
5.9 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-xb6q-6m1c-5yfj |
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| url |
VCID-xx9n-5x9g-9fdd |
| vulnerability_id |
VCID-xx9n-5x9g-9fdd |
| summary |
Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2, when ast_coredumper writes its gdb init and output files to a directory that is world-writable (for example /tmp), an attacker with write permission(which is all users on a linux system) to that directory can cause root to execute arbitrary commands or overwrite arbitrary files by controlling the gdb init file and output paths. This issue has been patched in versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2. |
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| fixed_packages |
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| aliases |
CVE-2026-23740
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| risk_score |
3.5 |
| exploitability |
0.5 |
| weighted_severity |
7.0 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-xx9n-5x9g-9fdd |
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| 51 |
| url |
VCID-xzgv-h1e1-2fhm |
| vulnerability_id |
VCID-xzgv-h1e1-2fhm |
| summary |
PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. This issue is similar to GHSA-9pfh-r8x4-w26w. Possible buffer overread when parsing a certain STUN message. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as commit in the master branch. |
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| aliases |
CVE-2022-23547
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| risk_score |
3.0 |
| exploitability |
0.5 |
| weighted_severity |
5.9 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-xzgv-h1e1-2fhm |
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| url |
VCID-yqr3-7hk1-zfad |
| vulnerability_id |
VCID-yqr3-7hk1-zfad |
| summary |
PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In version 2.11.1 and prior, there are various cases where it is possible that certain incoming RTP/RTCP packets can potentially cause out-of-bound read access. This issue affects all users that use PJMEDIA and accept incoming RTP/RTCP. A patch is available as a commit in the `master` branch. There are no known workarounds. |
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| aliases |
CVE-2022-21722
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| risk_score |
4.1 |
| exploitability |
0.5 |
| weighted_severity |
8.2 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-yqr3-7hk1-zfad |
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| url |
VCID-zbbe-qnd8-4yau |
| vulnerability_id |
VCID-zbbe-qnd8-4yau |
| summary |
A res_pjsip_session crash was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1. and Certified Asterisk before 16.8-cert5. Upon receiving a new SIP Invite, Asterisk did not return the created dialog locked or referenced. This caused a gap between the creation of the dialog object, and its next use by the thread that created it. Depending on some off-nominal circumstances and timing, it was possible for another thread to free said dialog in this gap. Asterisk could then crash when the dialog object, or any of its dependent objects, were dereferenced or accessed next by the initial-creation thread. Note, however, that this crash can only occur when using a connection-oriented protocol (e.g., TCP or TLS, but not UDP) for SIP transport. Also, the remote client must be authenticated, or Asterisk must be configured for anonymous calling. |
| references |
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| fixed_packages |
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| aliases |
CVE-2020-28327
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| risk_score |
null |
| exploitability |
0.5 |
| weighted_severity |
0.0 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-zbbe-qnd8-4yau |
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| 56 |
| url |
VCID-zwsy-26a5-tudy |
| vulnerability_id |
VCID-zwsy-26a5-tudy |
| summary |
An issue was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1 and Certified Asterisk before 16.8-cert5. If Asterisk is challenged on an outbound INVITE and the nonce is changed in each response, Asterisk will continually send INVITEs in a loop. This causes Asterisk to consume more and more memory since the transaction will never terminate (even if the call is hung up), ultimately leading to a restart or shutdown of Asterisk. Outbound authentication must be configured on the endpoint for this to occur. |
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| fixed_packages |
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| aliases |
CVE-2020-28242
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| risk_score |
null |
| exploitability |
0.5 |
| weighted_severity |
0.0 |
| resource_url |
http://public2.vulnerablecode.io/vulnerabilities/VCID-zwsy-26a5-tudy |
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