Improper access control in MediaWiki - CVE-2012-4379
Published: October 19, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU38026
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-4379
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to manipulate data.
MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not send a restrictive X-Frame-Options HTTP header, which allows remote attackers to conduct clickjacking attacks via an embedded API response in an IFRAME element.
Affected software
MediaWiki
How to mitigate CVE-2012-4379
Install update from vendor's website.
External References
- http://www.openwall.com/lists/oss-security/2012/08/31/10
- http://www.openwall.com/lists/oss-security/2012/08/31/6
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330
- https://bugzilla.redhat.com/show_bug.cgi?id=853426
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html
- https://phabricator.wikimedia.org/T41180