#VU43216 Path traversal in MoinMoin - CVE-2012-6080

Vulnerability identifier: #VU43216

Vulnerability risk: Medium

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

CVE-ID: CVE-2012-6080

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MoinMoin
Web applications / CMS

Vendor: MoinMoin

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the _do_attachment_move function in the AttachFile action (action/AttachFile.py) in MoinMoin 1.9.3 through 1.9.5. A remote authenticated attacker can send a specially crafted HTTP request and remote attackers to overwrite arbitrary files via a . (dot dot) in a file name.

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

Vulnerable software versions

MoinMoin: 1.9.3 - 1.9.5

---

External links
https://hg.moinmo.in/moin/1.9/rev/3c27131a3c52
https://moinmo.in/SecurityFixes
https://secunia.com/advisories/51663
https://secunia.com/advisories/51676
https://secunia.com/advisories/51696
https://ubuntu.com/usn/usn-1680-1
https://www.debian.org/security/2012/dsa-2593
https://www.openwall.com/lists/oss-security/2012/12/30/6
https://www.securityfocus.com/bid/57076
https://bugs.launchpad.net/ubuntu/+source/moin/+bug/1094599

---

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.