GLSA-201402-26 : libssh: Arbitrary code execution

High Nessus Plugin ID 72640


The remote Gentoo host is missing one or more security-related patches.


The remote host is affected by the vulnerability described in GLSA-201402-26 (libssh: Arbitrary code execution)

Multiple buffer overflow, double free, and integer overflow vulnerabilities have been discovered in libssh.
Impact :

A remote attacker could possibly execute arbitrary code with the privileges of the process or cause a Denial of Service condition.
Workaround :

There is no known workaround at this time.


All libssh users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-libs/libssh-0.5.3'

See Also

Plugin Details

Severity: High

ID: 72640

File Name: gentoo_GLSA-201402-26.nasl

Version: $Revision: 1.4 $

Type: local

Published: 2014/02/23

Modified: 2015/04/13

Dependencies: 12634

Risk Information

Risk Factor: High


Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:ND/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:libssh, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2014/02/21

Reference Information

CVE: CVE-2012-4559, CVE-2012-4560, CVE-2012-4561, CVE-2012-4562, CVE-2012-6063

BID: 56604, 56848

OSVDB: 87855, 87856, 87857, 87858, 88110

GLSA: 201402-26