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  • [SECURITY] [DSA 2188-1] webkit security update

    From Giuseppe Iuculano@1:229/2 to All on Thu Mar 10 14:30:01 2011
    From: [email protected]

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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-2188-1 [email protected] http://www.debian.org/security/ Giuseppe Iuculano
    March 10, 2011 http://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package : webkit
    Vulnerability : several
    Problem type : remote
    Debian-specific: no
    CVE ID : CVE-2010-1783 CVE-2010-2901 CVE-2010-4199 CVE-2010-4040 CVE-2010-4492 CVE-2010-4493 CVE-2010-4577 CVE-2010-4578 CVE-2010-0474 CVE-2011-0482 CVE-2011-0778

    Several vulnerabilities have been discovered in webkit, a Web content engine library for Gtk+. The Common Vulnerabilities and Exposures project identifies the following problems:

    CVE-2010-1783

    WebKit does not properly handle dynamic modification of a
    text node, which allows remote attackers to execute arbitrary code or cause
    a denial of service (memory corruption and application crash) via a
    crafted HTML document.


    CVE-2010-2901

    The rendering implementation in WebKit allows
    remote attackers to cause a denial of service (memory corruption) or possibly
    have unspecified other impact via unknown vectors.


    CVE-2010-4199

    WebKit does not properly perform a cast of an
    unspecified variable during processing of an SVG use element, which allows
    remote attackers to cause a denial of service or possibly have unspecified
    other impact via a crafted SVG document.


    CVE-2010-4040

    WebKit does not properly handle animated GIF images,
    which allows remote attackers to cause a denial of service (memory corruption)
    or possibly have unspecified other impact via a crafted image.


    CVE-2010-4492

    Use-after-free vulnerability in WebKit allows
    remote attackers to cause a denial of service or possibly have
    unspecified other impact via vectors involving SVG animations.


    CVE-2010-4493

    Use-after-free vulnerability in Webkit allows remote attackers to cause a
    denial of service via vectors related to the handling of mouse dragging events


    CVE-2010-4577

    The CSSParser::parseFontFaceSrc function in WebCore/css/CSSParser.cpp in
    WebKit does not properly parse Cascading Style Sheets (CSS) token sequences,
    which allows remote attackers to cause a denial of service
    (out-of-bounds read) via a crafted local font, related to "Type Confusion."


    CVE-2010-4578

    WebKit does not properly perform cursor handling, which allows remote
    attackers to cause a denial of service or possibly have unspecified other
    impact via unknown vectors that lead to "stale pointers."


    CVE-2011-0482

    WebKit does not properly perform a cast of an unspecified variable during
    handling of anchors, which allows remote attackers to cause a denial of
    service or possibly have unspecified other impact via a crafted HTML document


    CVE-2011-0778

    WebKit does not properly restrict drag and drop operations, which might allow
    remote attackers to bypass the Same Origin Policy via unspecified vectors.



    For the stable distribution (squeeze), these problems have been fixed
    in version 1.2.7-0+squeeze1

    For the testing distribution (wheezy), and the unstable distribution (sid), these problems have been fixed in version 1.2.7-1


    Security support for WebKit has been discontinued for the oldstable distribution (lenny).
    The current version in oldstable is not supported by upstream anymore
    and is affected by several security issues. Backporting fixes for these
    and any future issues has become unfeasible and therefore we need to
    drop our security support for the version in oldstable.

    We recommend that you upgrade your webkit 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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