Vulnerability Description
MediaWiki before 1.17.1 does not check for read permission before handling action=ajax requests, which allows remote attackers to obtain sensitive information by (1) leveraging the SpecialUpload::ajaxGetExistsWarning function, or by (2) leveraging an extension, as demonstrated by the CategoryTree, ExtTab, and InlineEditor extensions.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mediawiki | Mediawiki | < 1.17.1 |
| Debian | Debian Linux | 5.0 |
Related Weaknesses (CWE)
References
- http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-November/000104.htmPatchVendor Advisory
- http://openwall.com/lists/oss-security/2011/11/29/12Mailing ListThird Party Advisory
- http://openwall.com/lists/oss-security/2011/11/29/6Mailing ListThird Party Advisory
- http://www.debian.org/security/2011/dsa-2366Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=758171Issue TrackingThird Party Advisory
- https://bugzilla.wikimedia.org/show_bug.cgi?id=32616Issue TrackingPatchVendor Advisory
- http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-November/000104.htmPatchVendor Advisory
- http://openwall.com/lists/oss-security/2011/11/29/12Mailing ListThird Party Advisory
- http://openwall.com/lists/oss-security/2011/11/29/6Mailing ListThird Party Advisory
- http://www.debian.org/security/2011/dsa-2366Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=758171Issue TrackingThird Party Advisory
- https://bugzilla.wikimedia.org/show_bug.cgi?id=32616Issue TrackingPatchVendor Advisory
FAQ
What is CVE-2011-4361?
CVE-2011-4361 is a vulnerability with a CVSS score of 5.0 (MEDIUM). MediaWiki before 1.17.1 does not check for read permission before handling action=ajax requests, which allows remote attackers to obtain sensitive information by (1) leveraging the SpecialUpload::ajax...
How severe is CVE-2011-4361?
CVE-2011-4361 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-4361?
Check the references section above for vendor advisories and patch information. Affected products include: Mediawiki Mediawiki, Debian Debian Linux.