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A new version (0.9.0.0 - Release Candidate 1) of the free Secunia PSI
has been released. The new version includes many new and advanced
features, which makes it even easier to stay patched.

Download and test it today:
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Read more about this new version:
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TITLE:
MediaWiki JSON Callback Information Disclosure

SECUNIA ADVISORY ID:
SA29216

VERIFY ADVISORY:
http://secunia.com/advisories/29216/

CRITICAL:
Moderately critical

IMPACT:
Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
MediaWiki 1.x
http://secunia.com/product/2546/

DESCRIPTION:
A vulnerability has been reported in MediaWiki, which can potentially
be exploited by malicious people to disclose sensitive information.

The vulnerability is caused due to an error in the processing of JSON
callbacks, which can be exploited to disclose sensitive information by
sending a specially crafted request to the API.

The vulnerability is reported in versions prior to 1.11.2. Versions
before 1.11 are not affected.

SOLUTION:
Update to version 1.11.2.
http://download.wikimedia.org/mediawiki/1.11/mediawiki-1.11.2.tar.gz
http://download.wikimedia.org/mediawiki/1.11/mediawiki-1.11.2.patch

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://lists.wikimedia.org/pipermail/mediawiki-announce/2008-March/000070.html

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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