66651 : MediaWiki api.php Cache-Control HTTP Header Information Disclosure
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
5	1002	almost 3 years ago	8 months ago	3 times	70%

Timeline

Disclosure Date
2010-07-28

Description

MediaWiki contains a flaw that may lead to an unauthorized information disclosure. The issue is triggered when an API operation is requested from 'api.php' via URL or POST parameters, causing the response to contain 'public' cache control headers, which will disclose data to a remote attacker using the same caching HTTP proxy or a local attacker.

Classification

Location: Local / Remote
Attack Type: Information Disclosure
Impact: Loss of Confidentiality
Solution: Upgrade
Disclosure: Vendor Verified
OSVDB: Web Related

Solution

Upgrade to version 1.16.0 or 1.15.5 or higher, as they have been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Unknown or Incomplete

References

CVE ID: 2010-2787 (see also: NVD)
Secunia Advisory ID: 40740 44424 49649
Bugtraq ID: 42019
Related OSVDB ID: 66652
Mail List Post: http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058588.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058910.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/059232.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/059235.html
http://lists.wikimedia.org/pipermail/mediawiki-announce/2010-July/000092.html
Other Advisory URL: http://openwall.com/lists/oss-security/2010/07/29/4
Vendor Specific News/Changelog Entry: http://security.gentoo.org/glsa/glsa-201206-09.xml
http://svn.wikimedia.org/viewvc/mediawiki?view=revision&revision=69776
https://bugzilla.redhat.com/show_bug.cgi?id=620224
https://bugzilla.redhat.com/show_bug.cgi?id=620226
https://bugzilla.wikimedia.org/show_bug.cgi?id=24565

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 4.3
Source: nvd.nist.gov | Generated: 2011-04-27 | Disagree?

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