Mailinglist Archive: opensuse-security-announce (7 mails)

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SUSE Security Summary Report SUSE-SR:2007:007
  • From: Marcus Meissner <meissner@xxxxxxx>
  • Date: Fri, 20 Apr 2007 16:52:14 +0000 (UTC)
  • Message-id: <4628d298.PnqqhgWTW1O9nu6o%meissner@xxxxxxx>

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

______________________________________________________________________________

                        SUSE Security Summary Report

        Announcement ID:        SUSE-SR:2007:007
        Date:                   Fri, 20 Apr 2007 17:00:00 +0000
        Cross-References:       CVE-2005-1038, CVE-2006-4250, CVE-2006-6870
                                CVE-2007-1246, CVE-2007-1384, CVE-2007-1385
                                CVE-2007-1473, CVE-2007-1799, CVE-2007-1856
                                CVE-2007-1869, CVE-2007-1870

    Content of this advisory:
        1) Solved Security Vulnerabilities:
            - ktorrent file overwrite
            - cron local denial of service problem
            - lighttpd remote denial of service problems
            - horde XSS problems
            - MPlayer buffer overflow in w32codec interface code
            - avahi denial of service problem
            - man heap overflow
        2) Pending Vulnerabilities, Solutions, and Work-Arounds:
            - Month of PHP bugs
        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.

   - ktorrent file overwrite
     The KDE Bittorrent client ktorrent insufficiently validated the
     target file name.

     A malicious server could therefore overwrite arbitrary files of the
     user (CVE-2007-1384,CVE-2007-1799).

     Another bug could be exploited to crash Ktorrent (CVE-2007-1385).

     This bug has been fixed for all SUSE distributions containing
     ktorrent.

   - cron local denial of service problem
     By setting hard links to /etc/crontab users were able to prevent
     cron from running scheduled jobs (CVE-2007-1856).

     A re-emerged symlink bug allowed users to edit the crontab of other
     users (CVE-2005-1038).

     This problem has been fixed for all our products.

   - lighttpd remote denial of service problems
     Two remotely exploitable DoS vulnerabilities in lighttpd can be
     used to crash lighttpd or make it waste CPU time in an endless loop
     (CVE-2007-1869, CVE-2007-1870).

     Those problems were fixed in SUSE Linux 10.1, openSUSE 10.2 and
     SUSE Linux Enterprise 10.

   - horde XSS problems
     Another cross site scripting bug (XSS) in horde was fixed
     (CVE-2007-1473).

     This affected all SUSE Linux products containing horde.

   - MPlayer buffer overflow in w32codec interface code
     The DirectShow loader in MPlayer uses wrong parameters in the memcpy
     function call which leads to a buffer overflow (CVE-2007-1246).

     MPlayer is only shipped with SUSE Linux Desktop 1.0 and was fixed
     for this product.

   - avahi denial of service problem
     A remote denial of service problem was fixed in avahi, where
     attackers could cause an endless loop by injecting specific
     DNS replies.  This is likely only exploitable in local
     networks. (CVE-2006-6870)

     Avahi was fixed for SUSE Linux 10.1, openSUSE 10.2, and SUSE Linux
     Enterprise Desktop 10.

   - man heap overflow
     A heap based buffer overflow in the 'man' command could potentially
     be exploited by users to run code as root (CVE-2006-4250).

     Newer SUSE Linux versions however catch this error in the heap
     integrity checking code of glibc.

     Updates were released for all SUSE products.
______________________________________________________________________________

2) Pending Vulnerabilities, Solutions, and Work-Arounds

   - Month of PHP bugs
     We are currently working on fixing all the bugs found by the Month
     of PHP bugs project and will release updates when ready.
______________________________________________________________________________

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@xxxxxxx>"

    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@xxxxxxx 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@xxxxxxxxxxxx
        -   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@xxxxxxxxxxxx>.

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

    =====================================================================
    SUSE's security contact is <security@xxxxxxxx> or <security@xxxxxxx>.
    The <security@xxxxxxx> 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@xxxxxxx>
pub  1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <build@xxxxxxx>

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