Debian: DSA-2366-1: mediawiki security update

    Date19 Dec 2011
    CategoryDebian
    44
    Posted ByLinuxSecurity Advisories
    Several problems have been discovered in mediawiki, a website engine for collaborative work. CVE-2011-1578 CVE-2011-1587
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    Debian Security Advisory DSA-2366-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    http://www.debian.org/security/                        Jonathan Wiltshire
    December 18, 2011                      http://www.debian.org/security/faq
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    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: This email address is being protected from spambots. You need JavaScript enabled to view it.
    
    
    
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