A private data exposure flaw wa found in the way the resource loader of MediaWiki, a wiki engine, handled access privileges to the user.tokens module. If a remote attacker could trick a valid MediaWiki user into visiting a specially-crafted web page, it could allow the attacker to compromise the MediaWiki account of the victim by stealing the contents of tokens used for CSRF protection. References: [1] http://lists.wikimedia.org/pipermail/wikitech-l/2012-March/059230.html Upstream bug report: [2] https://bugzilla.wikimedia.org/show_bug.cgi?id=34907 Patch against v1.17 version: [3] https://bugzilla.wikimedia.org/show_bug.cgi?id=34907#c7 Patch against v1.18 version: [4] https://bugzilla.wikimedia.org/show_bug.cgi?id=34907#c8
This issue did NOT affect the versions of the mediawiki package, as shipped with Fedora release of 15 and 16. -- This issue did NOT affect the version of the mediawiki package, as shipped with Fedora EPEL 5.
The CVE identifier of CVE-2012-1579 has been assigned to this issue: http://www.openwall.com/lists/oss-security/2012/03/24/1