CVE-2014-9476
MEDIUM severity · CVSS 5 · CWE-264
5CVSS MEDIUM
Summary
MediaWiki 1.2x before 1.22.15, 1.23.x before 1.23.8, and 1.24.x before 1.24.1 allows remote attackers to bypass CORS restrictions in $wgCrossSiteAJAXdomains via a domain that has a partial match to an allowed origin, as demonstrated by "http://en.wikipedia.org.evilsite.example/."
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impact—
Availability impactNone
Exploit probability (EPSS)2%
AV:N/AC:L/Au:N/C:N/I:P/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2014-December/000173.htmlAdvisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:006
- http://www.openwall.com/lists/oss-security/2014/12/21/2
- http://www.openwall.com/lists/oss-security/2015/01/03/13
- https://phabricator.wikimedia.org/T77028Exploit