Articles / SuSE: New evolution package...

SuSE: New evolution packages fix remote code execution

Multiple buffer overflows have been fixed in Evolution. A buffer overflow in Evolution, when the ITip Formatter plugin is disabled, allows remote attackers potentially to execute arbitrary code via a long timezone string in an iCalendar attachment. A heap-based buffer overflow in Evolution allows user-assisted remote attackers to execute arbitrary code via a long DESCRIPTION property in an iCalendar attachment, which is not properly handled during a reply in the calendar view (aka the Calendars window). Fixed packages are available from ftp.suse.com.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

______________________________________________________________________________

                       SUSE Security Announcement

       Package:                evolution
       Announcement ID:        SUSE-SA:2008:028
       Date:                   Fri, 13 Jun 2008 14:00:00 +0000
       Affected Products:      openSUSE 10.2
                               openSUSE 10.3
                               Novell Linux Desktop 9
                               SUSE Linux Enterprise Desktop 10 SP1
                               SLE SDK 10 SP1
                               SLE SDK 10 SP2
                               SUSE Linux Enterprise Desktop 10 SP2
                               SUSE Linux Enterprise 10 SP2 DEBUGINFO
       Vulnerability Type:     remote code execution
       Severity (1-10):        8
       SUSE Default Package:   yes
       Cross-References:       CVE-2008-1108, CVE-2008-1109

   Content of This Advisory:
       1) Security Vulnerability Resolved:
            evolution remote code execution problems
          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

  Multiple buffer overflows have been fixed in Evolution.

  CVE-2008-1108: A buffer overflow in Evolution, when the ITip
  Formatter plugin is disabled, allows remote attackers potentially
  to execute arbitrary code via a long timezone string in an iCalendar
  attachment.

  CVE-2008-1109: A heap-based buffer overflow in Evolution allows
  user-assisted remote attackers to execute arbitrary code via a long
  DESCRIPTION property in an iCalendar attachment, which is not properly
  handled during a reply in the calendar view (aka the Calendars window).

2) Solution or Work-Around

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

3) Special Instructions and Notes

  Please close and restart all running instances of evolution after the update.

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-2.12.0-5.8.i586.rpm
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/evolution-devel-2.12.0-5.8.i586.rpm
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/evolution-pilot-2.12.0-5.8.i586.rpm

  openSUSE 10.2:
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/evolution-2.8.2-11.i586.rpm
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/evolution-devel-2.8.2-11.i586.rpm
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/evolution-pilot-2.8.2-11.i586.rpm

  Sources:

  openSUSE 10.3:
  http://download.opensuse.org/pub/opensuse/update/10.3/rpm/src/evolution-2.12.0-5.8.src.rpm

  openSUSE 10.2:
  ftp://ftp.suse.com/pub/suse/update/10.2/rpm/src/evolution-2.8.2-11.src.rpm

  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/731a8f5a7c90b93aea547074ea30a884.html

  SLE SDK 10 SP2
    http://support.novell.com/techcenter/psdb/731a8f5a7c90b93aea547074ea30a884.html

  SUSE Linux Enterprise 10 SP2 DEBUGINFO
    http://support.novell.com/techcenter/psdb/731a8f5a7c90b93aea547074ea30a884.html

  SLE SDK 10 SP1
    http://support.novell.com/techcenter/psdb/731a8f5a7c90b93aea547074ea30a884.html

  SUSE Linux Enterprise Desktop 10 SP1
    http://support.novell.com/techcenter/psdb/731a8f5a7c90b93aea547074ea30a884.html

  SUSE Linux Enterprise Desktop 10 SP2
    http://support.novell.com/techcenter/psdb/731a8f5a7c90b93aea547074ea30a884.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.

   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.

 - 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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