Command Injection in MediaWiki - CVE-2014-9277
Published: January 4, 2015 / Updated: August 9, 2020
Vulnerability identifier: #VU40971
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2014-9277
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
The wfMangleFlashPolicy function in OutputHandler.php in MediaWiki before 1.19.22, 1.20.x through 1.22.x before 1.22.14, and 1.23.x before 1.23.7 allows remote attackers to conduct PHP object injection attacks via a crafted string containing <cross-domain-policy> in a PHP format request, which causes the string length to change when converting the request to <NOT-cross-domain-policy>.
Affected software
MediaWiki
Gentoo Linux
Gentoo Linux
How to mitigate CVE-2014-9277
Install update from vendor's website.
External References
- http://securitytracker.com/id?1031301
- http://www.debian.org/security/2014/dsa-3100
- http://www.openwall.com/lists/oss-security/2014/12/03/9
- http://www.openwall.com/lists/oss-security/2014/12/04/16
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2014-November/000170.html
- https://phabricator.wikimedia.org/T73478