Buffer overflow in libssh - CVE-2012-4560
Published: December 1, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43281
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-4560
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Multiple buffer overflows in libssh before 0.5.3 allow remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via unspecified vectors.
Affected software
libssh
Gentoo Linux
Ubuntu
Slackware Linux
libssh-4 (Ubuntu package)
Gentoo Linux
Ubuntu
Slackware Linux
libssh-4 (Ubuntu package)
How to mitigate CVE-2012-4560
Install update from vendor's website.
libssh-4 (Ubuntu package) - addressed in versions 0.4.2-1ubuntu1.1, 0.5.2-1ubuntu0.11.10.1, 0.5.2-1ubuntu0.12.04.1, 0.5.2-1ubuntu0.12.10.1
External References
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093313.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093474.html
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00002.html
- http://lists.opensuse.org/opensuse-updates/2012-12/msg00016.html
- http://lists.opensuse.org/opensuse-updates/2013-01/msg00021.html
- http://www.libssh.org/2012/11/20/libssh-0-5-3-security-release/
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:175
- http://www.openwall.com/lists/oss-security/2012/11/20/3
- http://www.securityfocus.com/bid/56604
- http://www.ubuntu.com/usn/USN-1640-1
- https://bugzilla.redhat.com/show_bug.cgi?id=871614
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80219