[security-announce] SUSE Security Summary Report SUSE-SR:2008:08

4 Apr 2008

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______________________________________________________________________________

                        SUSE Security Summary Report

        Announcement ID:        SUSE-SR:2008:008
        Date:                   Fri, 04 Apr 2008 16:00:00 +0000
        Cross-References:       CVE-2007-1003, CVE-2007-5958, CVE-2007-6427
                                CVE-2007-6428, CVE-2007-6429, CVE-2008-0006
                                CVE-2008-0553, CVE-2008-0983, CVE-2008-1111
                                CVE-2008-1270, CVE-2008-1482, CVE-2008-1515
                                CVE-2008-1552, CVE-2008-1561, CVE-2008-1562
                                CVE-2008-1563

    Content of this advisory:
        1) Solved Security Vulnerabilities:
            - wireshark security problems
            - otrs SOAP command execution
            - xine security problems
            - xgl various X related security fixes
            - silc-toolkit buffer overflow
            - lighttpd security problems
            - tk GIF problems
        2) Pending Vulnerabilities, Solutions, and Work-Arounds:
            None listed this week.
        3) Authenticity Verification and Additional Information

______________________________________________________________________________

1) Solved Security Vulnerabilities

   To avoid flooding mailing lists with SUSE Security Announcements for minor
   issues, SUSE Security releases weekly summary reports for the low profile
   vulnerability fixes. The SUSE Security Summary Reports do not list md5 sums
   or download URLs like the SUSE Security Announcements that are released for
   more severe vulnerabilities.

   Fixed packages for the following incidents are already available on our FTP
   server and via the YaST Online Update.

   - wireshark security problems

     Multiple flaws in wireshark could lead to crashes when certain
     packets are processed (CVE-2008-1561,CVE-2008-1562,CVE-2008-1563)

     These problems only affected wireshark in openSUSE 10.2 and 10.3
     and were fixed there.

   - otrs SOAP command execution

     A bug in the trouble ticket system OTRS allowed a remote attacker
     to get remote access without specifying a valid user name via the
     SOAP interface (CVE-2008-1515).

     otrs is only included on openSUSE 10.2 and 10.3 and was fixed there.

   - xine security problems

     Specially crafted files could cause integer overflows in the xine
     library.

     Attackers could potentially exploit that to execute arbitrary
     code with the privileges of the user who opened such a file
     (CVE-2008-1482).

     xine was updated on all SUSE Linux products containing xine.

   - xgl various X related security fixes

     Xgl uses the XFree86/X.Org code base and so was also affected by
     various integer overflow bugs found and fixed in those.

     (CVE-2007-6429, CVE-2007-1003, CVE-2007-5958, CVE-2007-6427,
     CVE-2007-6428, CVE-2007-6429, CVE-2008-0006)

     Xgl was updated on SUSE Linux Enterprise Desktop 10, SUSE Linux 10.1,
     openSUSE 10.2 and 10.3.

   - silc-toolkit buffer overflow

     A flaw in processing PKCS#1-Messages in silc-toolkit could lead
     to a buffer overflow. Remote attackers could exploit that to crash
     the server. (CVE-2008-1552)

     Only openSUSE 10.3 contains silc-toolkit and was fixed.

   - lighttpd security problems

     Several security problems were fixed in lighttpd.

     - Remote attackers were able to crash lighttpd by opening
       a large number of connections (CVE-2008-0983).
     - A bug in mod_cgi allowed remote attackers to read
       cgi source files (CVE-2008-1111).
     - A bug in mod_userdir allowed remote attackers to read
       arbitrary files (CVE-2008-1270).

     lighttpd is only included in SUSE Linux Enterprise 10 (SDK), 
     SUSE Linux 10.1, openSUSE 10.2 and 10.3 and was fixed for those
     distributions.

   - tk GIF problems

     Specially crafted GIF images could cause a buffer overflow and
     crash the toolkit library tk. It seems unlikely but not entirely
     impossible that this overflow can be exploited to execute arbitrary
     code (CVE-2008-0553).

     Tk was updated on all products.
______________________________________________________________________________

2) Pending Vulnerabilities, Solutions, and Work-Arounds

   none
______________________________________________________________________________

3) Authenticity Verification and Additional Information

  - Announcement authenticity verification:

    SUSE security announcements are published via mailing lists and on Web
    sites. The authenticity and integrity of a SUSE security announcement is
    guaranteed by a cryptographic signature in each announcement. All SUSE
    security announcements are published with a valid signature.

    To verify the signature of the announcement, save it as text into a file
    and run the command

      gpg --verify <file>

    replacing <file> with the name of the file containing the announcement.
    The output for a valid signature looks like:

      gpg: Signature made <DATE> using RSA key ID 3D25D3D9
      gpg: Good signature from "SuSE Security Team <security@suse.de>"

    where <DATE> is replaced by the date the document was signed.

    If the security team's key is not contained in your key ring, you can
    import it from the first installation CD. To import the key, use the
    command

      gpg --import gpg-pubkey-3d25d3d9-36e12d04.asc

  - Package authenticity verification:

    SUSE update packages are available on many mirror FTP servers all over the
    world. While this service is considered valuable and important to the free
    and open source software community, the authenticity and integrity of a
    package needs to be verified to ensure that it has not been tampered with.

    The internal RPM package signatures provide an easy way to verify the
    authenticity of an RPM package. Use the command

      rpm -v --checksig <file.rpm>

    to verify the signature of the package, replacing <file.rpm> with the
    filename of the RPM package downloaded. The package is unmodified if it
    contains a valid signature from build@suse.de with the key ID 9C800ACA.

    This key is automatically imported into the RPM database (on RPMv4-based
    distributions) and the gpg key ring of 'root' during installation. You can
    also find it on the first installation CD and included at the end of this
    announcement.

  - SUSE runs two security mailing lists to which any interested party may
    subscribe:

    opensuse-security@opensuse.org
        -   General Linux and SUSE security discussion.
            All SUSE security announcements are sent to this list.
            To subscribe, send an e-mail to
                <opensuse-security+subscribe@opensuse.org>.

    opensuse-security-announce@opensuse.org
        -   SUSE's announce-only mailing list.
            Only SUSE's security announcements are sent to this list.
            To subscribe, send an e-mail to
                <opensuse-security-announce+subscribe@opensuse.org>.

    =====================================================================
    SUSE's security contact is <security@suse.com> or <security@suse.de>.
    The <security@suse.de> public key is listed below.
    =====================================================================
______________________________________________________________________________

    The information in this advisory may be distributed or reproduced,
    provided that the advisory is not modified in any way. In particular, the
    clear text signature should show proof of the authenticity of the text.

    SUSE Linux Products GmbH provides no warranties of any kind whatsoever
    with respect to the information contained in this security advisory.

Type Bits/KeyID     Date       User ID
pub  2048R/3D25D3D9 1999-03-06 SuSE Security Team <security@suse.de>
pub  1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <build@suse.de>

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Marcus Meissner

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