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

    From Jonathan Wiltshire@1:229/2 to All on Mon Dec 19 18:40:01 2011
    From: [email protected]

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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-2366-1 [email protected] 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: [email protected]


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