Input validation error in mcrypt - CVE-2012-4527
Published: November 22, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43312
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-2012-4527
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows user-assisted remote attackers to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (crash) and possibly execute arbitrary code via a long file name.
Affected software
mcrypt
Gentoo Linux
Fedora
mcrypt
Gentoo Linux
Fedora
mcrypt
How to mitigate CVE-2012-4527
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
mcrypt - addressed in versions 2.6.8-10.el5, 2.6.8-10.el6
External References
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091173.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091206.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091377.html
- http://lists.opensuse.org/opensuse-updates/2012-11/msg00003.html
- http://www.openwall.com/lists/oss-security/2012/10/18/12
- http://www.openwall.com/lists/oss-security/2012/10/18/9
- http://www.openwall.com/lists/oss-security/2012/11/20/1
- http://www.securityfocus.com/bid/56114
- https://bugzilla.redhat.com/show_bug.cgi?id=867790