Directory traversal vulnerability in the _do_attachment_move function in the AttachFile action (action/AttachFile.py) in MoinMoin 1.9.3 through 1.9.5 allows remote attackers to overwrite arbitrary files via a .. (dot dot) in a file name.

References

• https://nvd.nist.gov/vuln/detail/CVE-2012-6080
• https://bugs.launchpad.net/ubuntu/+source/moin/+bug/1094599
• http://hg.moinmo.in/moin/1.9/rev/3c27131a3c52
• http://moinmo.in/SecurityFixes
• http://ubuntu.com/usn/usn-1680-1
• http://www.debian.org/security/2012/dsa-2593
• http://www.openwall.com/lists/oss-security/2012/12/30/6
• https://web.archive.org/web/20130513231719/http://secunia.com/advisories/51663
• https://web.archive.org/web/20151017045319/http://secunia.com/advisories/51696
• https://web.archive.org/web/20151104192815/http://secunia.com/advisories/51676
• https://web.archive.org/web/20200228145410/http://www.securityfocus.com/bid/57076