Articles / SuSE: New evolution package…

SuSE: New evolution package fixes remote code execution

Evolution is a personal information manager (PIM) and workgroup information management software. The function emf_multipart_encrypted() that is used to process encrypted messages is vulnerable to format-string bugs. This bug can be abused by a remote attacker to execute arbitrary code by sending a crafted encrypted eMail. Fixed packages are available from ftp.suse.com.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

______________________________________________________________________________

                       SUSE Security Announcement

       Package:                evolution
       Announcement ID:        SUSE-SA:2008:014
       Date:                   Fri, 14 Mar 2008 10:00:00 +0000
       Affected Products:      SUSE LINUX 10.1
                               openSUSE 10.2
                               openSUSE 10.3
                               Novell Linux Desktop 9
                               SUSE Linux Enterprise Desktop 10 SP1
                               SLE SDK 10 SP1
       Vulnerability Type:     remote code execution
       Severity (1-10):        8
       SUSE Default Package:   yes
       Cross-References:       CVE-2008-0072

   Content of This Advisory:
       1) Security Vulnerability Resolved:
            format string vulnerability
          Problem Description
       2) Solution or Work-Around
       3) Special Instructions and Notes
       4) Package Location and Checksums
       5) Pending Vulnerabilities, Solutions, and Work-Arounds:
           none
       6) Authenticity Verification and Additional Information

______________________________________________________________________________

1) Problem Description and Brief Discussion

  Evolution is a personal information manager (PIM) and workgroup information
  management software.

  The function emf_multipart_encrypted() that is used to process encrypted
  messages is vulnerable to format-string bugs.
  This bug can be abused by a remote attacker to execute arbitrary code by
  sending a crafted encrypted eMail.

2) Solution or Work-Around

  No work-around. Please install the current security update package.

3) Special Instructions and Notes

  Please restart evolution.

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/evolution-2.12.0-5.6.i586.rpm
         4a13b961952e7913af466ef1738c0196
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/evolution-devel-2.12.0-5.6.i586.rpm
         2ecaf3f223841665df554aa8e20d5978
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/evolution-pilot-2.12.0-5.6.i586.rpm
         d06a664885565b04774d5d3c2afb84f5

  openSUSE 10.2:
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/evolution-2.8.2-9.i586.rpm
         c7949a1af35d7abdb7a36fd7fc90607b
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/evolution-devel-2.8.2-9.i586.rpm
         eadabc26ef71fbb91c498f202196e640
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/evolution-pilot-2.8.2-9.i586.rpm
         b8a8b80039aa8f1641c0103bb04f75a0

  SUSE LINUX 10.1:
  ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/evolution-2.6.0-49.66.3.i586.rpm
         cc40ee93e3f2043a25dff22e62bc4e4e
  ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/evolution-devel-2.6.0-49.66.3.i586.rpm
         b7fb5fec304a0e623be28233a66525ad
  ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/evolution-pilot-2.6.0-49.66.3.i586.rpm
         d2833e3948641af99a9e76026da6e8da

  Power PC Platform:

  openSUSE 10.3:
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/ppc/evolution-2.12.0-5.6.ppc.rpm
         a6e9d56b825c7809bc62a87f546bdb50
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/ppc/evolution-devel-2.12.0-5.6.ppc.rpm
         772ce1adbb46a5ba5f703bf4dcfbd49e
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/ppc/evolution-pilot-2.12.0-5.6.ppc.rpm
         946a9756bab858d4242736e055009173

  openSUSE 10.2:
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/ppc/evolution-2.8.2-9.ppc.rpm
         fa5ed56ee0d3a6718015bf722e34ff6f
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/ppc/evolution-devel-2.8.2-9.ppc.rpm
         91565615e83f40a40d435e9edcca2a63
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/ppc/evolution-pilot-2.8.2-9.ppc.rpm
         443a51070cdb147473536fec3b704533

  SUSE LINUX 10.1:
  ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/evolution-2.6.0-49.66.3.ppc.rpm
         8b0beec2e2ecad7969fc91aa12c963d2
  ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/evolution-devel-2.6.0-49.66.3.ppc.rpm
         46706e204d46f01026af35b861c101a6
  ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/evolution-pilot-2.6.0-49.66.3.ppc.rpm
         0c946a3533d2a55812f0fd60886e097f

  x86-64 Platform:

  openSUSE 10.3:
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/x86_64/evolution-2.12.0-5.6.x86_64.rpm
         6c9f98241bf08edc4a77d52c4232ed60
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/x86_64/evolution-devel-2.12.0-5.6.x86_64.rpm
         bab5d0660dbb9076bd865ccae25bc68d
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/x86_64/evolution-pilot-2.12.0-5.6.x86_64.rpm
         44778c1ea873e4e54021ce3588f406de

  openSUSE 10.2:
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/evolution-2.8.2-9.x86_64.rpm
         8ac28a5b6875266d281400060867b45f
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/evolution-devel-2.8.2-9.x86_64.rpm
         970d89a3ae7574334586a6b9388e1073
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/evolution-pilot-2.8.2-9.x86_64.rpm
         6ffb4564be38436e91a0b10b908ff18d

  SUSE LINUX 10.1:
  ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/evolution-2.6.0-49.66.3.x86_64.rpm
         c352e53bfd35cb08ef87102829ed2dcb
  ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/evolution-devel-2.6.0-49.66.3.x86_64.rpm
         a4d5259610db7850b39e2b4ae2b7a00e
  ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/evolution-pilot-2.6.0-49.66.3.x86_64.rpm
         50dae7030db765effccf36e23f112671

  Sources:

  openSUSE 10.3:
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/src/evolution-2.12.0-5.6.src.rpm
         483dffff6981e43065de58916fc7faa0

  openSUSE 10.2:
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/src/evolution-2.8.2-9.src.rpm
         ba7d8312622f37c7d05dba4e6d03a5e0

  SUSE LINUX 10.1:
  ftp://ftp.suse.com/pub/suse/update/10.1/rpm/src/evolution-2.6.0-49.66.3.src.rpm
         93827395e2d05427ea717d882f444da5

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

  Novell Linux Desktop 9
    http://support.novell.com/techcenter/psdb/d93d20ddb38276f9b6f334240fd20e16.html

  SLE SDK 10 SP1
    http://support.novell.com/techcenter/psdb/d93d20ddb38276f9b6f334240fd20e16.html

  SUSE Linux Enterprise Desktop 10 SP1
    http://support.novell.com/techcenter/psdb/d93d20ddb38276f9b6f334240fd20e16.html

______________________________________________________________________________

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

  none
______________________________________________________________________________

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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