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.

Published: Apr 13, 2016
Updated: Apr 13, 2023
CVE: CVE-2015-3146
Severity: High
Exploit:

CVSS v3:

Severity: High
Score: 7.5
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

Severity: Medium
Score: 5
AV:N/AC:L/Au:N/C:N/I:N/A:P

No CWE or OWASP classifications available.

Affected Software
References

Software	From	Fixed in
libssh / libssh	-	0.6.4.x
canonical / ubuntu_linux	12.04	12.04.x
canonical / ubuntu_linux	15.10	15.10.x
canonical / ubuntu_linux	14.04	14.04.x
debian / debian_linux	8.0	8.0.x
debian / debian_linux	7.0	7.0.x
fedoraproject / fedora	22	22.x
fedoraproject / fedora	21	21.x

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

Vulnerability Database

289,599

CVE-2015-3146