#VU4216 Arbitrary file upload in MoinMoin - CVE-2012-6081

Vulnerability identifier: #VU4216

Vulnerability risk: Critical

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/U:Red

CVE-ID: CVE-2012-6081

CWE-ID: CWE-434

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vulnerable software:
MoinMoin

Software vendor:
MoinMoin

The vulnerability allows a remote authenticated attacker to compromise system.

The weakness exists due to insufficient validation of the filename extension when uploading files twikidraw (action/twikidraw.py) and anywikidraw (action/anywikidraw.py) actions. A remote authenticated attacker with write permissions can upload and execute arbitrary file with executable extension.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Note: the vulnerability was being actively exploited.

Update to version 1.9.6 or later.

• https://moinmo.in/MoinMoinRelease1.9
• https://moinmo.in/SecurityFixes
• https://www.exploit-db.com/exploits/25304/