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SuSE: clamav 0.90 (SUSE-SA:2007:017) Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
SuSE Updated package.
______________________________________________________________________________

                        SUSE Security Announcement

        Package:                clamav
        Announcement ID:        SUSE-SA:2007:017
        Date:                   Fri, 23 Feb 2007 16:00:00 +0000
        Affected Products:      SUSE LINUX 9.3
                                SUSE LINUX 10.0
                                SUSE LINUX 10.1
                                openSUSE 10.2
                                SUSE SLES 9
                                Open Enterprise Server
                                Novell Linux POS 9
                                SUSE SLES 10
        Vulnerability Type:     remote denial of service
        Severity (1-10):        6
        SUSE Default Package:   no
        Cross-References:       CVE-2007-0897, CVE-2007-0898

    Content of This Advisory:
        1) Security Vulnerability Resolved:
             clamav 0.90 security fix release
           Problem Description
        2) Solution or Work-Around
        3) Special Instructions and Notes
        4) Package Location and Checksums
        5) Pending Vulnerabilities, Solutions, and Work-Arounds:
            See SUSE Security Summary Report.
        6) Authenticity Verification and Additional Information

______________________________________________________________________________

1) Problem Description and Brief Discussion

   The anti-virus scan engine ClamAV was updated to the version 0.90 to
   fix various bugs including 2 security bugs:

   CVE-2007-0897: A file descriptor leak in the handling of CAB files can
   lead to a denial of service attack against the clamd scanner daemon
   caused by remote attackers.

   CVE-2007-0898: A directory traversal in handling of MIME E-Mail headers
   could be used by remote attackers to overwrite local files owned
   by the user under which clamd is running.
   Since clamd is running as "vscan" user on SUSE, it would only be able to
   overwrite files owned by "vscan".

2) Solution or Work-Around

   There is no known workaround, please install the update packages.

3) Special Instructions and Notes

   Note that the configuration file format was changed by the upstream
   clamav developers.

   We included a converter script which automatically converts clamd.conf
   and freshclam.conf on update but we suggest to review the changed
   configuration files.

   Please check that the clamd is still running after the update (it
   should get restarted automatically by the update, but might fail due
   to incorrectly converted config files).

4) Package Location and Checksums

   The preferred method for installing security updates is to use the YaST
   Online Update (YOU) tool. YOU detects which updates are required and
   automatically performs the necessary steps to verify and install them.
   Alternatively, download the update packages for your distribution manually
   and verify their integrity by the methods listed in Section 6 of this
   announcement. Then install the packages using the command

     rpm -Fhv 

   to apply the update, replacing  with the filename of the
   downloaded RPM package.


   x86 Platform:

   openSUSE 10.2:
   ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/clamav-0.90-0.1.i586.rpm
          450fd88ce94fb7421d7232e55ca7be57

   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/clamav-0.90-0.2.i586.rpm
          9bb705eef58f149c6023fa25a2e7441d

   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/clamav-0.90-0.1.i586.rpm
          abe77980ac3d274549acef965d9b3ed5

   SUSE LINUX 9.3:
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/clamav-0.90-0.1.i586.rpm
          d0ab2a48d370941ee4037ffab8686916

   Power PC Platform:

   openSUSE 10.2:
   ftp://ftp.suse.com/pub/suse/update/10.2/rpm/ppc/clamav-0.90-0.1.ppc.rpm
          506b432229252c3188a977c46c847ef9

   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/clamav-0.90-0.2.ppc.rpm
          4de0855522f57a533bdb770e6c760abf

   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/ppc/clamav-0.90-0.1.ppc.rpm
          b0b11ecfb27387259b0589f943dc6bd2

   x86-64 Platform:

   openSUSE 10.2:
   ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/clamav-0.90-0.1.x86_64.rpm
          c6d88b70c377db486524e8331cc19ded

   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/clamav-0.90-0.2.x86_64.rpm
          9eb79478b0a8d83370fabcf43e47b5ae

   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/clamav-0.90-0.1.x86_64.rpm
          fbe3ec3733c4483c5b7dfd890d5a6079

   SUSE LINUX 9.3:
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/clamav-0.90-0.1.x86_64.rpm
          cd744ebc2447166b5cc7bd065a93c4b5

   Sources:

   openSUSE 10.2:
   ftp://ftp.suse.com/pub/suse/update/10.2/rpm/src/clamav-0.90-0.1.src.rpm
          ab8ddfd395ab7fccde2e152e13d4e5a1

   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/src/clamav-0.90-0.2.src.rpm
          1f43996fcef6f47298ea8fcc2ea07eaa

   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/src/clamav-0.90-0.1.src.rpm
          9d7f916f64ce377bec6a531d9fa74590

   SUSE LINUX 9.3:
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/clamav-0.90-0.1.src.rpm
          9887574f7864200081f230fa32e78db8

   Our maintenance customers are notified individually. The packages are
   offered for installation from the maintenance web:

   Open Enterprise Server
   Novell Linux POS 9
   SUSE SLES 10
   SUSE SLES 9
     http://support.novell.com/techcenter/psdb/abe28be29295a2d1e392e79ff39d4b40.html

______________________________________________________________________________

5) Pending Vulnerabilities, Solutions, and Work-Arounds:

   See SUSE Security Summary Report.
______________________________________________________________________________

6) 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 

    replacing  with the name of the file where you saved the
    announcement. The output for a valid signature looks like:

      gpg: Signature made  using RSA key ID 3D25D3D9
      gpg: Good signature from "SuSE Security Team "

    where  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 the integrity of
    a package needs to be verified to ensure that it has not been tampered
    with.

    There are two verification methods that can be used independently from
    each other to prove the authenticity of a downloaded file or RPM package:

    1) Using the internal gpg signatures of the rpm package
    2) MD5 checksums as provided in this announcement

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

        rpm -v --checksig 

       to verify the signature of the package, replacing  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 at
       the end of this announcement.

    2) If you need an alternative means of verification, use the md5sum
       command to verify the authenticity of the packages. Execute the command

         md5sum 

       after you downloaded the file from a SUSE FTP server or its mirrors.
       Then compare the resulting md5sum with the one that is listed in the
       SUSE security announcement. Because the announcement containing the
       checksums is cryptographically signed (by security@suse.de), the
       checksums show proof of the authenticity of the package if the
       signature of the announcement is valid. Note that the md5 sums
       published in the SUSE Security Announcements are valid for the
       respective packages only. Newer versions of these packages cannot be
       verified.

  - 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
                .

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

    =====================================================================
    SUSE's security contact is  or .
    The  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.
 
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