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SuSE: clamav 0.90.3 (SUSE-SA:2007:033) Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
SuSE The anti-virus scan engine ClamAV was upgraded to version 0.90.3 to fix several security bugs. One is a heap corruption causing denial-of-service with corrupted rar archive.
______________________________________________________________________________

                        SUSE Security Announcement

        Package:                clamav
        Announcement ID:        SUSE-SA:2007:033
        Date:                   Wed, 06 Jun 2007 15:00:00 +0000
        Affected Products:      SUSE LINUX 10.0
                                SUSE LINUX 10.1
                                openSUSE 10.2
                                SUSE SLES 9
                                Open Enterprise Server
                                Novell Linux POS 9
        Vulnerability Type:     remote denial of service
        Severity (1-10):        6
        SUSE Default Package:   no
        Cross-References:       CVE-2007-2650, CVE-2007-3023, CVE-2007-3024

    Content of This Advisory:
        1) Security Vulnerability Resolved:
             clamav security update
           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 upgraded to version 0.90.3 to
   fix several security bugs:

   - Wrong calculation of buffer-end (CVE-2007-3023)
   - Use strict permissions for temporary files (CVE-2007-3024)
   - Heap corruption causing denial-of-service with corrupted rar archive
     (no CVE assigned at this time)
   - Detect block list loop in OLE2 scanner (CVE-2007-2650)

   Updated clamav packages for SUSE Linux Enterprise 10 will be released
   after Service Pack 1 is released.

2) Solution or Work-Around

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

3) Special Instructions and Notes

   None.

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-0.90.3-2.1.i586.rpm
          a8a37e2d3ccd914f91597f8f48cca99f
   ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/clamav-db-0.90.3-2.1.i586.rpm
          fc9519bd40748e2d30037596375b5cca

   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/clamav-0.90.3-3.1.i586.rpm
          31d196d6eaf5c0c8f29dc4c21e4ff78d

   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/clamav-0.90.3-2.1.i586.rpm
          02e6bdaef4c68c484179275b0bee985f
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/clamav-db-0.90.3-2.1.i586.rpm
          3191c5e50ffa62bdf817b65368786c8b

   Power PC Platform:

   openSUSE 10.2:
   ftp://ftp.suse.com/pub/suse/update/10.2/rpm/ppc/clamav-0.90.3-2.1.ppc.rpm
          583fdbffc1e5069973eacc34c4de2947
   ftp://ftp.suse.com/pub/suse/update/10.2/rpm/ppc/clamav-db-0.90.3-2.1.ppc.rpm
          29c2788eb45087ee974fad983f1b4964

   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/clamav-0.90.3-3.1.ppc.rpm
          320d1bcc7a5e6718b95c368f7b1d4d7d

   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/ppc/clamav-0.90.3-2.1.ppc.rpm
          2b43aa34e2d3c302da79759f242cf91e
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/ppc/clamav-db-0.90.3-2.1.ppc.rpm
          ec1ae4d5d638bd223cf33e551bb382a7

   x86-64 Platform:

   openSUSE 10.2:
   ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/clamav-0.90.3-2.1.x86_64.rpm
          5a4b81479f025c99e304794b0c5b0c27
   ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/clamav-db-0.90.3-2.1.x86_64.rpm
          a81e693c4c371f6af4f98cfad4d615b5

   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/clamav-0.90.3-3.1.x86_64.rpm
          a42e875ca5f71ec7d7efab625d13b9e5

   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/clamav-0.90.3-2.1.x86_64.rpm
          a75c1378b9a05f54a699996345e9b174
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/clamav-db-0.90.3-2.1.x86_64.rpm
          702683c41d6ab2dd17acd3fcb2f2d163

   Sources:

   openSUSE 10.2:
   ftp://ftp.suse.com/pub/suse/update/10.2/rpm/src/clamav-0.90.3-2.1.src.rpm
          3a018d00982f611bc847fcdbf3be0545

   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/src/clamav-0.90.3-3.1.src.rpm
          2be2b9659f5bb2fe11e32fb98a409d37

   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/src/clamav-0.90.3-2.1.src.rpm
          2bd465210eed5eaa70fe16c1a64fed75

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

   Open Enterprise Server
     http://support.novell.com/techcenter/psdb/5a3e85703885a03d41664f02c24200e0.html

   Novell Linux POS 9
     http://support.novell.com/techcenter/psdb/5a3e85703885a03d41664f02c24200e0.html

   SUSE SLES 9
     http://support.novell.com/techcenter/psdb/5a3e85703885a03d41664f02c24200e0.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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