CVE-2013-4304
The CentralAuth extension for MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 caches a valid CentralAuthUser object in the centralauth_User cookie even when a user has not successfully logged in, which allows remote…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The CentralAuth extension for MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 caches a valid CentralAuthUser object in the centralauth_User cookie even when a user has not successfully logged in, which allows remote attackers to bypass authentication without a password.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 2.08% probability · 80th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- brion vibber/centralauth extension · mediawiki/mediawiki
- Source
- secalert@redhat.com
References
- http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.htmlPatch
- http://osvdb.org/96910
- http://seclists.org/oss-sec/2013/q3/553
- http://secunia.com/advisories/54723
- https://bugzilla.wikimedia.org/show_bug.cgi?id=52338Exploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/86894
- http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.htmlPatch
- http://osvdb.org/96910
- http://seclists.org/oss-sec/2013/q3/553
- http://secunia.com/advisories/54723
- https://bugzilla.wikimedia.org/show_bug.cgi?id=52338Exploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/86894
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.