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Vulnerability details: VCID-3c14-qx79-aaac
Vulnerability ID VCID-3c14-qx79-aaac
Aliases CVE-2015-3146
Summary The (1) SSH_MSG_NEWKEYS and (2) SSH_MSG_KEXDH_REPLY packet handlers in package_cb.c in libssh before 0.6.5 do not properly validate state, which allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted SSH packet.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-476 NULL Pointer Dereference
System Score Found at
epss 0.014 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
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epss 0.014 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
epss 0.014 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
epss 0.014 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
epss 0.014 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
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epss 0.014 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
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epss 0.01874 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
epss 0.05767 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
epss 0.05767 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
epss 0.05767 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
epss 0.05767 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
epss 0.06680 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
epss 0.06680 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
epss 0.06680 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
epss 0.06680 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
epss 0.06680 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
epss 0.06680 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
epss 0.06680 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
epss 0.06680 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
epss 0.06680 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
epss 0.06680 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
epss 0.06680 https://api.first.org/data/v1/epss?cve=CVE-2015-3146
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1213775
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2015-3146
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2015-3146
Reference id Reference type URL
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161802.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158013.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2015-3146.json
https://api.first.org/data/v1/epss?cve=CVE-2015-3146
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3146
https://git.libssh.org/projects/libssh.git/commit/?h=libssh-0.6.5&id=94f6955fbaee6fda9385a23e505497efe21f5b4f
https://www.libssh.org/2015/04/30/libssh-0-6-5-security-and-bugfix-release/
https://www.libssh.org/security/advisories/CVE-2015-3146.txt
http://www.debian.org/security/2016/dsa-3488
http://www.ubuntu.com/usn/USN-2912-1
1213775 https://bugzilla.redhat.com/show_bug.cgi?id=1213775
784404 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=784404
cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:libssh:libssh:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
CVE-2015-3146 https://nvd.nist.gov/vuln/detail/CVE-2015-3146
USN-2912-1 https://usn.ubuntu.com/2912-1/
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2015-3146
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:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2015-3146
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 0.78674
EPSS Score 0.014
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.