RCE in MediaWiki
CVE-2014-9277
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>.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.020 (79.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- MediaWiki — versions 1.20, 1.20.1, 1.20.2
Weakness classification (CWE)
References
- securitytracker.com/id (vdb-entry)
- phabricator.wikimedia.org/T73478 (Exploit)
- www.openwall.com/lists/oss-security/2014/12/03/9 (mailing-list)
- www.openwall.com/lists/oss-security/2014/12/04/16 (mailing-list)
- www.debian.org/security/2014/dsa-3100 (vendor-advisory)
- lists.wikimedia.org/pipermail/mediawiki-announce/2014-November/000170.html (Vendor Advisory, mailing-list, Patch)