Vulnerability Details CVE-2015-3146
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.014
EPSS Ranking 79.4%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161802.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158013.html
- http://www.debian.org/security/2016/dsa-3488
- http://www.ubuntu.com/usn/USN-2912-1
- 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://lists.fedoraproject.org/pipermail/package-announce/2015-July/161802.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158013.html
- http://www.debian.org/security/2016/dsa-3488
- http://www.ubuntu.com/usn/USN-2912-1
- 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
Products affected by CVE-2015-3146
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cpe:2.3:a:libssh:libssh:-
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cpe:2.3:a:libssh:libssh:0.4.7
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cpe:2.3:a:libssh:libssh:0.4.8
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cpe:2.3:a:libssh:libssh:0.5.0
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cpe:2.3:a:libssh:libssh:0.5.1
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cpe:2.3:a:libssh:libssh:0.5.2
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cpe:2.3:a:libssh:libssh:0.5.3
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cpe:2.3:a:libssh:libssh:0.5.4
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cpe:2.3:a:libssh:libssh:0.5.5
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cpe:2.3:a:libssh:libssh:0.6.0
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cpe:2.3:a:libssh:libssh:0.6.1
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cpe:2.3:a:libssh:libssh:0.6.2
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cpe:2.3:a:libssh:libssh:0.6.3
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cpe:2.3:a:libssh:libssh:0.6.4
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cpe:2.3:o:canonical:ubuntu_linux:12.04
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cpe:2.3:o:canonical:ubuntu_linux:14.04
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cpe:2.3:o:canonical:ubuntu_linux:15.10
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cpe:2.3:o:debian:debian_linux:7.0
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cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:fedoraproject:fedora:21
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cpe:2.3:o:fedoraproject:fedora:22