Articles / SuSE: New clamav packages f…

SuSE: New clamav packages fix remote code execution

The AntiVirus scan engine ClamAV was updated to version 0.93 fixes a long list of vulnerabilities. These vulnerabilities can lead to remote code execution, bypassing the scanning engine, remote denial-of-service, local file overwrite. Fixed packages are available from ftp.suse.com.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

______________________________________________________________________________

                       SUSE Security Announcement

       Package:                clamav
       Announcement ID:        SUSE-SA:2008:024
       Date:                   Thu, 24 Apr 2008 17:00:00 +0000
       Affected Products:      SUSE LINUX 10.1
                               openSUSE 10.2
                               openSUSE 10.3
                               SUSE SLES 9
                               Open Enterprise Server
                               Novell Linux POS 9
                               SLE SDK 10 SP1
                               SUSE Linux Enterprise Server 10 SP1
       Vulnerability Type:     remote code execution
       Severity (1-10):        7
       SUSE Default Package:   no
       Cross-References:       CVE-2007-6595, CVE-2007-6596, CVE-2008-0314
                               CVE-2008-1100, CVE-2008-1387, CVE-2008-1833
                               CVE-2008-1835, CVE-2008-1836, CVE-2008-1837

   Content of This Advisory:
       1) Security Vulnerability Resolved:
            clamav 0.93 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 AntiVirus scan engine ClamAV was updated to version 0.93 fixes a long list of
  vulnerabilities.

  These vulnerabilities can lead to remote code execution, bypassing
  the scanning engine, remote denial-of-service, local file overwrite.
  (CVE-2008-1837, CVE-2008-1836, CVE-2008-1835,
   CVE-2008-1833, CVE-2008-1387, CVE-2008-1100,
   CVE-2008-0314, CVE-2007-6595, CVE-2007-6596)

  Since the library changed, we also released updated klamav packages
  for openSUSE 10.2 and 10.3.

2) Solution or Work-Around

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

3) Special Instructions and Notes

  If you use clamd as a daemon, please check that it is running after the update.

  Due to database changes it might not have restarted correctly.

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 10.3:
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/klamav-0.41.1-32.3.i586.rpm
         5f062d237d2e2b467c04249d7ab4eaff

  openSUSE 10.2:
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/clamav-0.93-0.3.i586.rpm
         5c1208a1568ce8406cffbad97c17d5cd
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/clamav-db-0.93-0.3.i586.rpm
         cc3797fc934ca8a7d36e951aedfd1205
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/klamav-0.41.1-17.4.i586.rpm
         2d4a630d9477ad647c5f043a2061eec9

  SUSE LINUX 10.1:
  ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/clamav-0.93-0.6.i586.rpm
         bae48419bbd6d98158b43a27d2e4ae26
  ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/clamav-db-0.93-0.6.i586.rpm
         24c9cee54b8921b2c3896218ebf653fc

  openSUSE 10.3:
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/clamav-0.93-0.3.i586.rpm
         cb1b5ad1c50971cd67a969641eb09b5b
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/clamav-db-0.93-0.3.i586.rpm
         05c5ad3009b29ce730089376c4e94437

  Power PC Platform:

  openSUSE 10.3:
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/ppc/clamav-0.93-0.3.ppc.rpm
         0e6fd8ae2c47f5cf35671cf268c472a7
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/ppc/clamav-db-0.93-0.3.ppc.rpm
         67bcdf76348f56ecf7e6e7f44551e58f
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/ppc/klamav-0.41.1-32.3.ppc.rpm
         9d0be2b87217d54485717178877d0e27

  openSUSE 10.2:
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/ppc/clamav-0.93-0.3.ppc.rpm
         feea77a7898ef22fee24db6990dfcd53
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/ppc/clamav-db-0.93-0.3.ppc.rpm
         c557477dfa4437292b476064b9008ce5
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/ppc/klamav-0.41.1-17.4.ppc.rpm
         465357407c32c4b3f2858923dcf1fa79

  SUSE LINUX 10.1:
  ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/clamav-0.93-0.6.ppc.rpm
         aefcb66e85016ea7ffac9ec90f07b941
  ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/clamav-db-0.93-0.6.ppc.rpm
         c41dab747d0917115afca974dbf71f56

  x86-64 Platform:

  openSUSE 10.3:
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/x86_64/clamav-0.93-0.3.x86_64.rpm
         b52b015df19d50ed90d59aaef2359695
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/x86_64/clamav-db-0.93-0.3.x86_64.rpm
         60450bcf1b6e77d9c401f39e53c80b80
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/x86_64/klamav-0.41.1-32.3.x86_64.rpm
         6889d3a67a917066a36a8f29dea43b60

  openSUSE 10.2:
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/clamav-0.93-0.3.x86_64.rpm
         6ad977899b59f5dc29c3499b57794fe2
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/clamav-db-0.93-0.3.x86_64.rpm
         b69ab97fc38e5156fd14997621070521
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/klamav-0.41.1-17.4.x86_64.rpm
         dfa9b572d5e7756ee3f7c9f515430fcb

  SUSE LINUX 10.1:
  ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/clamav-0.93-0.6.x86_64.rpm
         d823bff9b6bd7a8363577d452cf32f85
  ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/clamav-db-0.93-0.6.x86_64.rpm
         9fa30054ab60358dd34227fc1ba534c4

  Sources:

  SUSE LINUX 10.1:
  ftp://ftp.suse.com/pub/suse/update/10.1/rpm/src/clamav-0.93-0.6.src.rpm
         46330515b9c6195b80df21260727c917

  openSUSE 10.3:
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/src/clamav-0.93-0.3.src.rpm
         b69d60de1059e37b16f1b8f4b6fdbcb0
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/src/klamav-0.41.1-32.3.src.rpm
         e6dc89b046f7cb3649b480d0979d67c4

  openSUSE 10.2:
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/src/clamav-0.93-0.3.src.rpm
         4dfc2359d565c5584eed51fb0b6477cd
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/src/klamav-0.41.1-17.4.src.rpm
         69b4f005d5e1910f817c9a6a2d9fc227

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

______________________________________________________________________________

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
               .

   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
               .

   =====================================================================
   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.

Type Bits/KeyID     Date       User ID
pub  2048R/3D25D3D9 1999-03-06 SuSE Security Team 
pub  1024D/9C800ACA 2000-10-19 SuSE Package Signing Key 

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