SUSE Security Announcement: freetype2 (SUSE-SA:2006:037)

27 Jun 2006

      -----BEGIN PGP SIGNED MESSAGE-----

______________________________________________________________________________

                        SUSE Security Announcement

        Package:                freetype2, freetype2-devel
        Announcement ID:        SUSE-SA:2006:037
        Date:                   Tue, 27 Jun 2006 12:00:00 +0000
        Affected Products:      SUSE LINUX 10.1
                                SUSE LINUX 10.0
                                SUSE LINUX 9.3
                                SUSE LINUX 9.2
                                SUSE SLES 9
        Vulnerability Type:     remote code execution
        Severity (1-10):        8
        SUSE Default Package:   yes
        Cross-References:       CVE-2006-0747
                                CVE-2006-1861
                                CVE-2006-2661

    Content of This Advisory:
        1) Security Vulnerability Resolved:
             several integer overflows
           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

   The freetype2 library renders TrueType fonts for open source projects.
   More than 900 packages on SUSE Linux use this library. Therefore the
   integer overflows in this code found by Josh Bressers and Chris Evans
   might have a high impact on the security of a desktop system.

   The bugs can lead to a remote denial-of-service attack and may lead to
   remote command execution. The user needs to use a program that uses
   freetype2 (almost all GUI applications do) and let this program process
   malicious font data.

2) Solution or Work-Around

   No work-around known.

3) Special Instructions and Notes

   Please log out from your window-manager session and log in again
   to let all applications restart and load the new code.

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 <file.rpm>

   to apply the update, replacing <file.rpm> with the filename of the
   downloaded RPM package.

   x86 Platform:

   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/freetype2-2.1.10-18.3.i586.rpm
          d8159af0dd876c9f75a30c7027ccc65e
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/freetype2-devel-2.1.10-18.3.i586.rpm
          14ed91a58dbbf592bad515a34fa46bf1

   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/freetype2-2.1.10-4.2.i586.rpm
          e55d8a3eb8a0e203db16703d4eb24ffa
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/freetype2-devel-2.1.10-4.2.i586.rpm
          5f8bad1411007aab9d190036cadc0d1b

   SUSE LINUX 9.3:
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/freetype2-2.1.9-4.2.i586.rpm
          76edb89bf583274c0cdc13a4a60a1a33
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/freetype2-devel-2.1.9-4.2.i586.rpm
          5995bb6179b03f75c174355c7303e4ef

   SUSE LINUX 9.2:
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/freetype2-2.1.9-3.2.i586.rpm
          62b0c3c6886439cf10b4f64d0930f251
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/freetype2-devel-2.1.9-3.2.i586.rpm
          0df43df0ac31ecb637acda13a1c558bb

   Power PC Platform:

   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/freetype2-2.1.10-18.3.ppc.rpm
          1316c1937957047ca3293a4181d1d16e
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/freetype2-devel-2.1.10-18.3.ppc.rpm
          fb738052648a6fddf2e6e791e06c4b9b

   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/ppc/freetype2-2.1.10-4.2.ppc.rpm
          5a1d2fa14ba666893e0e61ebbc583f9e
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/ppc/freetype2-devel-2.1.10-4.2.ppc.rpm
          4c92c8bc862aaf734974da7ae0a8e8d2

   x86-64 Platform:

   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/freetype2-2.1.10-18.3.x86_64.rpm
          b8c72431885e3b302954c83bbd3615f8
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/freetype2-32bit-2.1.10-18.3.x86_64.rpm
          c957ce5e918d0ee7933db8c859362eb2
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/freetype2-devel-2.1.10-18.3.x86_64.rpm
          da300d9b65f6ec99b59045a4ff17b848
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/freetype2-devel-32bit-2.1.10-18.3.x86_64.rpm
          7f746c754434d96c6e1d1b1a4f42719f

   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/freetype2-2.1.10-4.2.x86_64.rpm
          ec8a92f9958022f27ded53222e6d16cb
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/freetype2-32bit-2.1.10-4.2.x86_64.rpm
          b71540b7a43d88060a15f46a282083a2
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/freetype2-devel-2.1.10-4.2.x86_64.rpm
          59ef42def49b6b8d57fc4927bbe3e503
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/freetype2-devel-32bit-2.1.10-4.2.x86_64.rpm
          7749224202098d4cec74b15621a6bf90

   SUSE LINUX 9.3:
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/freetype2-2.1.9-4.2.x86_64.rpm
          fe14dad1164731b5abc35e54bea51753
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/freetype2-32bit-9.3-7.1.x86_64.rpm
          916649bdc38f5c7d2f20b7f9c306928d
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/freetype2-devel-2.1.9-4.2.x86_64.rpm
          5292d176535b6bc68dfa64a9087e783c
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/freetype2-devel-32bit-9.3-7.1.x86_64.rpm
          1c9e160e832a33be4233653ead4745e6

   SUSE LINUX 9.2:
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/freetype2-2.1.9-3.2.x86_64.rpm
          0df14e0676312be2bb28b0c1beb2245c
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/freetype2-32bit-9.2-200606132154.x86_64.rpm
          95fd288ab5afc988c6881b2a6f8a9c03
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/freetype2-devel-2.1.9-3.2.x86_64.rpm
          8a56ae60affaa2ad3913126bb45684e2
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/freetype2-devel-32bit-9.2-200606132154.x86_64.rpm
          74fa3c308c0d2541fe71ba8c1d57e0e3

   Sources:

   SUSE LINUX 10.1:
   ftp://ftp.suse.com/pub/suse/update/10.1/rpm/src/freetype2-2.1.10-18.3.src.rpm
          3d5053bd231a06234daf2b30c93b8aae

   SUSE LINUX 10.0:
   ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/src/freetype2-2.1.10-4.2.src.rpm
          b7deaf1486d41b3f7462adb8c2c6a282

   SUSE LINUX 9.3:
   ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/freetype2-2.1.9-4.2.src.rpm
          12dc71a010ddb89f753429892e46065e

   SUSE LINUX 9.2:
   ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/src/freetype2-2.1.9-3.2.src.rpm
          1beda05b38c0445cb82bed8f01b3a62a

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

   http://support.novell.com/cgi-bin/search/searchtid.cgi?psdb/6dbf1efb42be3b7b...

______________________________________________________________________________

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 <file>

    replacing <file> with the name of the file where you saved the
    announcement. The output for a valid signature looks like:

      gpg: Signature made <DATE> using RSA key ID 3D25D3D9
      gpg: Good signature from "SuSE Security Team <security@suse.de>"

    where <DATE> 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 <file.rpm>

       to verify the signature of the package, replacing <file.rpm> 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 <filename.rpm>

       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-subscribe@suse.com>.

    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-security-announce-subscribe@suse.com>.

    For general information or the frequently asked questions (FAQ),
    send mail to <suse-security-info@suse.com> or
    <suse-security-faq@suse.com>.

    =====================================================================
    SUSE's security contact is <security@suse.com> or <security@suse.de>.
    The <security@suse.de> 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 <security@suse.de>
pub  1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <build@suse.de>

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Thomas Biege

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