#VU41551 Path traversal in GeSHi - CVE-2012-3521

Vulnerability identifier: #VU41551

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2012-3521

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
GeSHi
Other software / Other software solutions

Vendor: geshi.org

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

Multiple directory traversal vulnerabilities in the cssgen contrib module in GeSHi before 1.0.8.11 allow remote attackers to read arbitrary files via a .. (dot dot) in the (1) geshi-path or (2) geshi-lang-path parameter.

Mitigation
Install update from vendor's website.

Vulnerable software versions

GeSHi: 1.0.8.4 - 1.0.8.9

---

External links
https://lists.fedoraproject.org/pipermail/package-announce/2013-May/105247.html
https://lists.fedoraproject.org/pipermail/package-announce/2013-May/105273.html
https://lists.fedoraproject.org/pipermail/package-announce/2013-May/105317.html
https://sourceforge.net/p/geshi/code/2507/
https://www.openwall.com/lists/oss-security/2012/08/21/11
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=685324

---

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.