CVE-2014-9277
mediawiki - security update
EPSS 0.86%
Description
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>.
How to fix CVE-2014-9277
To remediate CVE-2014-9277, upgrade the affected package to a fixed version below.
- Debian/mediawiki—upgrade to 1:1.19.20+dfsg-2.1 or later
- —upgrade to 1:1.19.20+dfsg-0+deb7u2 or later
Is CVE-2014-9277 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1:1.19.20+dfsg-2.1
- from 0, < 1:1.19.20+dfsg-0+deb7u2