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Vulnerability details: VCID-hw4x-2mfp-aaaj
Vulnerability ID VCID-hw4x-2mfp-aaaj
Aliases CVE-2017-16672
Summary An issue was discovered in Asterisk Open Source 13 before 13.18.1, 14 before 14.7.1, and 15 before 15.1.1 and Certified Asterisk 13.13 before 13.13-cert7. A memory leak occurs when an Asterisk pjsip session object is created and that call gets rejected before the session itself is fully established. When this happens the session object never gets destroyed. Eventually Asterisk can run out of memory and crash.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-772 Missing Release of Resource after Effective Lifetime
System Score Found at
generic_textual Medium http://downloads.asterisk.org/pub/security/AST-2017-011-13.diff
generic_textual Medium http://downloads.digium.com/pub/security/AST-2017-011.html
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-16672.html
epss 0.02090 https://api.first.org/data/v1/epss?cve=CVE-2017-16672
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generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16672
generic_textual Medium https://issues.asterisk.org/jira/browse/ASTERISK-27345
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2017-16672
cvssv3 5.9 https://nvd.nist.gov/vuln/detail/CVE-2017-16672
Reference id Reference type URL
http://downloads.asterisk.org/pub/security/AST-2017-011-13.diff
http://downloads.digium.com/pub/security/AST-2017-011.html
http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-16672.html
https://api.first.org/data/v1/epss?cve=CVE-2017-16672
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16672
https://issues.asterisk.org/jira/browse/ASTERISK-27345
https://security.gentoo.org/glsa/201811-11
https://www.debian.org/security/2017/dsa-4076
http://www.securityfocus.com/bid/101765
881256 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=881256
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:certified_asterisk:13.13.0:*:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1_rc1:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1_rc1:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1_rc2:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1_rc2:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1_rc3:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1_rc3:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1_rc4:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:certified_asterisk:13.13.0:cert1_rc4:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:cert2:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:certified_asterisk:13.13.0:cert2:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:cert3:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:certified_asterisk:13.13.0:cert3:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:cert4:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:certified_asterisk:13.13.0:cert4:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:cert5:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:certified_asterisk:13.13.0:cert5:*:*:*:*:*:*
cpe:2.3:a:digium:certified_asterisk:13.13.0:cert6:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:certified_asterisk:13.13.0:cert6:*:*:*:*:*:*
CVE-2017-16672 https://nvd.nist.gov/vuln/detail/CVE-2017-16672
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2017-16672
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2017-16672
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.89426
EPSS Score 0.02090
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.