bugtraq - [SECURITY] [DSA 2366-1] mediawiki security update

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Message-ID: <20111219173148.GA5135@pisco.westfalen.local>
Date: Mon, 19 Dec 2011 18:31:48 +0100
From: Jonathan Wiltshire <jmw@...ian.org>
To: bugtraq@...urityfocus.com
Subject: [SECURITY] [DSA 2366-1] mediawiki security update

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- -------------------------------------------------------------------------
Debian Security Advisory DSA-2366-1                   security@...ian.org
http://www.debian.org/security/                        Jonathan Wiltshire
December 18, 2011                      http://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package        : mediawiki
Vulnerability  : multiple
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2011-1578 CVE-2011-1579 CVE-2011-1580 CVE-2011-1587 
                 CVE-2011-4360 CVE-2011-4361 
Debian Bug     : 650434

Several problems have been discovered in mediawiki, a website engine for
collaborative work.

CVE-2011-1578 CVE-2011-1587

   Masato Kinugawa discovered a cross-site scripting (XSS) issue, which
   affects Internet Explorer clients only, and only version 6 and
   earlier. Web server configuration changes are required to fix this
   issue. Upgrading MediaWiki will only be sufficient for people who use
   Apache with AllowOverride enabled.

   For details of the required configuration changes, see the upstream
   announcements:
  http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-April/000096.html
  http://lists.wikimedia.org/pipermail/mediawiki-announce/2011-April/000097.html

CVE-2011-1579

   Wikipedia user Suffusion of Yellow discovered a CSS validation error
   in the wikitext parser. This is an XSS issue for Internet Explorer
   clients, and a privacy loss issue for other clients since it allows
   the embedding of arbitrary remote images.

CVE-2011-1580

   MediaWiki developer Happy-Melon discovered that the transwiki import
   feature neglected to perform access control checks on form submission.
   The transwiki import feature is disabled by default. If it is enabled,
   it allows wiki pages to be copied from a remote wiki listed in
   $wgImportSources. The issue means that any user can trigger such an
   import to occur.

CVE-2011-4360

   Alexandre Emsenhuber discovered an issue where page titles on private
   wikis could be exposed bypassing different page ids to index.php. In the
   case of the user not having correct permissions, they will now be redirected
   to Special:BadTitle.

CVE-2011-4361

   Tim Starling discovered that action=ajax requests were dispatched to the
   relevant function without any read permission checks being done. This could
   have led to data leakage on private wikis.

For the oldstable distribution (lenny), these problems have been fixed in
version 1:1.12.0-2lenny9.

For the stable distribution (squeeze), these problems have been fixed in
version 1:1.15.5-2squeeze2.

For the unstable distribution (sid), these problems have been fixed in
version 1:1.15.5-5.

We recommend that you upgrade your mediawiki packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@...ts.debian.org

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