[Full-Disclosure] [RHSA-2004:075-01] Updated kdelibs packages resolve cookie security issue

bugzilla_at_redhat.com
Date: 03/10/04

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    To: redhat-watch-list@redhat.com, bugtraq@securityfocus.com, full-disclosure@lists.netsys.com
Date: Wed, 10 Mar 2004 09:43 -0500

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                       Red Hat Security Advisory

    Synopsis: Updated kdelibs packages resolve cookie security issue
    Advisory ID: RHSA-2004:075-01
    Issue date: 2004-03-10
    Updated on: 2004-03-10
    Product: Red Hat Linux
    Keywords:
    Cross references:
    Obsoletes:
    CVE Names: CAN-2003-0592
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    1. Topic:

    Updated kdelibs packages that fix a flaw in cookie path handling are now
    available.

    2. Relevant releases/architectures:

    Red Hat Linux 9 - i386

    3. Problem description:

    Konqueror is a file manager and Web browser for the K Desktop Environment
    (KDE).

    Flaws have been found in the cookie path handling between a number of Web
    browsers and servers. The HTTP cookie standard allows a Web server
    supplying a cookie to a client to specify a subset of URLs on the origin
    server to which the cookie applies. Web servers such as Apache do not
    filter returned cookies and assume that the client will only send back
    cookies for requests that fall within the server-supplied subset of URLs.
    However, by supplying URLs that use path traversal (/../) and character
    encoding, it is possible to fool many browsers into sending a cookie to a
    path outside of the originally-specified subset.

    KDE version 3.1.3 and later include a patch to Konquerer that disables the
    sending of cookies to the server if the URL contains such encoded
    traversals. Red Hat Linux 9 shipped with KDE 3.1 and is therefore
    vulnerable to this issue.

    Users of Konquerer are advised to upgrade to these erratum packages, which
    contain a backported patch for this issue.

    4. Solution:

    Before applying this update, make sure all previously released errata
    relevant to your system have been applied.

    To update all RPMs for your particular architecture, run:

    rpm -Fvh [filenames]

    where [filenames] is a list of the RPMs you wish to upgrade. Only those
    RPMs which are currently installed will be updated. Those RPMs which are
    not installed but included in the list will not be updated. Note that you
    can also use wildcards (*.rpm) if your current directory *only* contains the
    desired RPMs.

    Please note that this update is also available via Red Hat Network. Many
    people find this an easier way to apply updates. To use Red Hat Network,
    launch the Red Hat Update Agent with the following command:

    up2date

    This will start an interactive process that will result in the appropriate
    RPMs being upgraded on your system.

    If up2date fails to connect to Red Hat Network due to SSL Certificate
    Errors, you need to install a version of the up2date client with an updated
    certificate. The latest version of up2date is available from the Red Hat
    FTP site and may also be downloaded directly from the RHN website:

    https://rhn.redhat.com/help/latest-up2date.pxt

    5. RPMs required:

    Red Hat Linux 9:

    SRPMS:
    ftp://updates.redhat.com/9/en/os/SRPMS/kdelibs-3.1-13.src.rpm

    i386:
    ftp://updates.redhat.com/9/en/os/i386/kdelibs-3.1-13.i386.rpm
    ftp://updates.redhat.com/9/en/os/i386/kdelibs-devel-3.1-13.i386.rpm

    6. Verification:

    MD5 sum Package Name
    - --------------------------------------------------------------------------

    c6160cfd6b412cd60c8a55abfdeac022 9/en/os/SRPMS/kdelibs-3.1-13.src.rpm
    b54a0acde508064c10e87eb735b95543 9/en/os/i386/kdelibs-3.1-13.i386.rpm
    dfee8cfc2b14117fb3d00908198849f3 9/en/os/i386/kdelibs-devel-3.1-13.i386.rpm

    These packages are GPG signed by Red Hat for security. Our key is
    available from https://www.redhat.com/security/keys.html

    You can verify each package with the following command:
        
        rpm --checksig -v <filename>

    If you only wish to verify that each package has not been corrupted or
    tampered with, examine only the md5sum with the following command:
        
        md5sum <filename>

    7. References:

    http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0592

    8. Contact:

    The Red Hat security contact is <secalert@redhat.com>. More contact
    details at https://www.redhat.com/solutions/security/news/contact.html

    Copyright 2003 Red Hat, Inc.
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