Vulnerability Monitor

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CVE-2011-4361

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.

Published

2012-01-08T11:55:19.797

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-276

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mediawiki	mediawiki	< 1.17.1	Yes
Operating System	debian	debian_linux	5.0	Yes
Operating System	debian	debian_linux	6.0	Yes

References

http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-November/000104.html Patch, Vendor Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/11/29/12 Mailing List, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/11/29/6 Mailing List, Third Party Advisory ([email protected])
http://www.debian.org/security/2011/dsa-2366 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=758171 Issue Tracking, Third Party Advisory ([email protected])
https://bugzilla.wikimedia.org/show_bug.cgi?id=32616 Issue Tracking, Patch, Vendor Advisory ([email protected])
http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-November/000104.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/11/29/12 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/11/29/6 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2011/dsa-2366 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=758171 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.wikimedia.org/show_bug.cgi?id=32616 Issue Tracking, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)