Articles / SuSE: New razor-agents pack…

SuSE: New razor-agents package fixes remote denial of service

Several bugs were fixed in Vipuls Razor spam detection framework. These bugs could lead to remote denial-of-service conditions due to processing malformed messages and possible stepping into infinite loops. Fixed packages are available from ftp.suse.com.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

______________________________________________________________________________

                       SUSE Security Announcement

       Package:                razor-agents
       Announcement ID:        SUSE-SA:2005:035
       Date:                   Tue, 23 Jun 2005 09:00:00 +0000
       Affected Products:      8.2, 9.0, 9.1, 9.2, 9.3
       Vulnerability Type:     remote denial of service
       Severity (1-10):        4
       SUSE Default Package:   no
       Cross-References:       None.

   Content of This Advisory:
       1) Security Vulnerability Resolved:
            denial of service attack against Vipuls razor
          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

  Several bugs were fixed in Vipuls Razor spam detection framework.

  These bugs could lead to remote denial-of-service conditions due to
  processing malformed messages and possible stepping into infinite
  loops.

2) Solution or Work-Around

  Please install the updated packages.

3) Special Instructions and Notes

  Please restart any service using razor-agents.

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.

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


  x86 Platform:

  SUSE Linux 9.3:
  ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/razor-agents-2.67-3.2.i586.rpm
         676b7c6d977f0ed2b92ba313fa269689

  SUSE Linux 9.2:
  ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/razor-agents-2.61-3.2.i586.rpm
         fc88751db9c4a14e5fbf6221d4ec5ad9

  SUSE Linux 9.1:
  ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/razor-agents-2.36-59.4.i586.rpm
         889f8c37bbc80d520d6c4ecbfeff1913
  source rpm(s):
  ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/razor-agents-2.36-59.4.src.rpm
         a49208f7438160852e1dff387a70beea

  SUSE Linux 9.0:
  ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/razor-agents-2.34-54.i586.rpm
         7d831ac330b9ca512722ac1754ec3236
  source rpm(s):
  ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/razor-agents-2.34-54.src.rpm
         db088de6b5cb8a5b67dfa485fdd22991

  SUSE Linux 8.2:
  ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/razor-agents-2.126-122.i586.rpm
         d96fc57ad82f716dd421f0bca1c45b57
  source rpm(s):
  ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/razor-agents-2.126-122.src.rpm
         982a7860c698f1ea9a554128ce34b45b

  x86-64 Platform:

  SUSE Linux 9.3:
  ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/razor-agents-2.67-3.2.x86_64.rpm
         a1cd46cabd6e45c8f9d5ad7405085d04
  source rpm(s):
  ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/razor-agents-2.67-3.2.src.rpm
         5f9642b047be597bfbed8229d3098e76

  SUSE Linux 9.2:
  ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/razor-agents-2.61-3.2.x86_64.rpm
         18157e6d2a2582b9a45b3a62be18ddb5
  source rpm(s):
  ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/src/razor-agents-2.61-3.2.src.rpm
         7f9d70373765389ab8284bd274af6d2d

  SUSE Linux 9.1:
  ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/razor-agents-2.36-59.4.x86_64.rpm
         a4824f88fcb85f610ca738b6c729744c
  source rpm(s):
  ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/razor-agents-2.36-59.4.src.rpm
         5b064357f7db0574e7b89add57a3738f

  SUSE Linux 9.0:
  ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/razor-agents-2.34-54.x86_64.rpm
         6ecca2f0cd15f7804d04dac04ad22ce6
  source rpm(s):
  ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/razor-agents-2.34-54.src.rpm
         7765df46f6b332e835da33ab04784d6e


______________________________________________________________________________

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:

   suse-security@suse.com
       -   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
               .

   For general information or the frequently asked questions (FAQ),
   send mail to  or
   .

   =====================================================================
   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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