CVE-2011-1766
MEDIUM severity · CVSS 5.8 · Improper authentication
5.8CVSS MEDIUM
Summary
includes/User.php in MediaWiki before 1.16.5, when wgBlockDisablesLogin is enabled, does not clear certain cached data after verification of an auth token fails, which allows remote attackers to bypass authentication by creating crafted wikiUserID and wikiUserName cookies, or by leveraging an unattended workstation.
Impact & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impactNone
Exploit probability (EPSS)2%
AV:N/AC:M/Au:N/C:P/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.
Official patch: http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-May/000098.html ↗
Additional information
- NVD record
- http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-May/000098.htmlPatch
- https://bugzilla.redhat.com/show_bug.cgi?id=702512Patch
- https://bugzilla.wikimedia.org/show_bug.cgi?id=28639Patch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060435.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060496.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060507.html
- http://secunia.com/advisories/44684
- http://www.securityfocus.com/bid/47722