#VU43312 Input validation error in mcrypt - CVE-2012-4527

Vulnerability identifier: #VU43312

Vulnerability risk: Medium

CVSSv4.0: 2.7 [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/E:U/U:Green]

CVE-ID: CVE-2012-4527

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
mcrypt
Other software / Other software solutions

Vendor: imipak

Description

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.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

mcrypt: 2.6.4 - 2.6.7

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External links
https://lists.fedoraproject.org/pipermail/package-announce/2012-November/091173.html
https://lists.fedoraproject.org/pipermail/package-announce/2012-November/091206.html
https://lists.fedoraproject.org/pipermail/package-announce/2012-November/091377.html
https://lists.opensuse.org/opensuse-updates/2012-11/msg00003.html
https://www.openwall.com/lists/oss-security/2012/10/18/12
https://www.openwall.com/lists/oss-security/2012/10/18/9
https://www.openwall.com/lists/oss-security/2012/11/20/1
https://www.securityfocus.com/bid/56114
https://bugzilla.redhat.com/show_bug.cgi?id=867790

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.