Date: Mon, 18 Apr 2005 16:37:12 +0200
From: krahmer@...e.de (Sebastian Krahmer)
To: bugtraq@...urityfocus.com
Subject: SUSE Security Announcement: cvs (SUSE-SA:2005:024)


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

______________________________________________________________________________

                        SUSE Security Announcement

        Package:                cvs
        Announcement-ID:        SUSE-SA:2005:024
        Date:                   Monday, Apr 18st 2005 13:30 MEST
        Affected products:      8.2, 9.0, 9.1, 9.2, 9.3
                                SUSE CORE 9 for x86
                                SuSE Linux Enterprise Server 8, 9
                                UnitedLinux 1.0
                                School-Server 1
                                Open-Enterprise-Server 9
        Vulnerability Type:     remote code execution
        Severity (1-10):        6
        SUSE default package:   No
        Cross References:       CAN-2005-0753

    Content of this advisory:
        1) security vulnerability resolved: buffer overflow and memory access
           problem in cvs
           problem description
        2) solution/workaround
        3) special instructions and notes
        4) package location and checksums
        5) pending vulnerabilities, solutions, workarounds:
            - IDN (Internationalized Domain Name) cloaking
            - PostgreSQL
            - Mozilla
            - OpenOffice_org
        6) standard appendix (further information)

______________________________________________________________________________

1) problem description, brief discussion

    The Concurrent Versions System (CVS) offers tools which allow developers
    to share and maintain large software projects.
      The current maintainer of CVS reported various problems within CVS
    such as a buffer overflow and memory access problems which have
    been fixed within the available updates.
      The CVE project has assigned the CAN number CAN-2005-0753.

2) solution/workaround

    There is no easy workaround except shutting down the CVS server.

3) special instructions and notes

    No special actions need to be taken after installing this update.

4) package location and checksums

    Download the update package for your distribution and verify its
    integrity by the methods listed in section 3) of this announcement.
    Then, install the package using the command "rpm -Fhv file.rpm" to apply
    the update.
    Our maintenance customers are being notified individually. The packages
    are being 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/cvs-1.12.11-4.2.i586.rpm
      8e27dd3b7a9867940830aa9dd8fd95bc
    patch rpm(s):
    ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/cvs-1.12.11-4.2.i586.patch.rpm
      acd6904641df500ca50da8147ee54019
    source rpm(s):
    ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/cvs-1.12.11-4.2.src.rpm
      6a075a97c2bd30ade965e90e0f9671c4

    SUSE Linux 9.2:
    ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/cvs-1.12.9-2.2.i586.rpm
      7192dce3bb42cd51c98a3510e9e5e73a
    patch rpm(s):
    ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/cvs-1.12.9-2.2.i586.patch.rpm
      ae4b8f9096b50e7f1c3a15e715e4c8e7
    source rpm(s):
    ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/src/cvs-1.12.9-2.2.src.rpm
      cebc4e07ac34f6a6f76789d6ce0eba37

    SUSE Linux 9.1:
    ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/cvs-1.11.14-24.10.i586.rpm
      07778aea3050bcf05c96ae680b9d01e4
    patch rpm(s):
    ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/cvs-1.11.14-24.10.i586.patch.rpm
      60591530555521e34d798a0d0365686a
    source rpm(s):
    ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/cvs-1.11.14-24.10.src.rpm
      bd4b0324b51cee45f247e41f2f6139d4

    SUSE Linux 9.0:
    ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/cvs-1.11.6-85.i586.rpm
      795f6e5a6849706bb439366129833841
    patch rpm(s):
    ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/cvs-1.11.6-85.i586.patch.rpm
      ec2bb29f912831f9d5e7dd15ec950d9b
    source rpm(s):
    ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/cvs-1.11.6-85.src.rpm
      a3695ffd8f741a9f376e5e3244d412c8

    SUSE Linux 8.2:
    ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/cvs-1.11.5-116.i586.rpm
      6fc24ea4712d10855e60d26b9262f48c
    patch rpm(s):
    ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/cvs-1.11.5-116.i586.patch.rpm
      7b4e1cae79c33c4965b53159bd888a70
    source rpm(s):
    ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/src/cvs-1.11.5-116.src.rpm
      401896062510804b79ba75a5e800d9e2



    x86-64 Platform:

    SUSE Linux 9.3:
    ftp://ftp.suse.com/pub/suse/x86_64/update/9.3/rpm/x86_64/cvs-1.12.11-4.2.x86_64.rpm
      db2665d2e95762aa2c376fed929c44f1
    patch rpm(s):
    ftp://ftp.suse.com/pub/suse/x86_64/update/9.3/rpm/x86_64/cvs-1.12.11-4.2.x86_64.patch.rpm
      8b3070a29bd15c430980937b53928640
    source rpm(s):
    ftp://ftp.suse.com/pub/suse/x86_64/update/9.3/rpm/src/cvs-1.12.11-4.2.src.rpm
      6a075a97c2bd30ade965e90e0f9671c4

    SUSE Linux 9.2:
    ftp://ftp.suse.com/pub/suse/x86_64/update/9.2/rpm/x86_64/cvs-1.12.9-2.2.x86_64.rpm
      21518326918a0a7e42176b60544e214e
    patch rpm(s):
    ftp://ftp.suse.com/pub/suse/x86_64/update/9.2/rpm/x86_64/cvs-1.12.9-2.2.x86_64.patch.rpm
      8bbb9b4bda742cb62836b6a6453aef2c
    source rpm(s):
    ftp://ftp.suse.com/pub/suse/x86_64/update/9.2/rpm/src/cvs-1.12.9-2.2.src.rpm
      cebc4e07ac34f6a6f76789d6ce0eba37

    SUSE Linux 9.1:
    ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/cvs-1.11.14-24.10.x86_64.rpm
      7543263ca5374da3a9926cde6c8bd58c
    patch rpm(s):
    ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/cvs-1.11.14-24.10.x86_64.patch.rpm
      1b245e5669be7b6e082c67d5e094466a
    source rpm(s):
    ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/cvs-1.11.14-24.10.src.rpm
      8c399e20f6046faa3de70ae0fc133060

    SUSE Linux 9.0:
    ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/cvs-1.11.6-85.x86_64.rpm
      708318fbf0d27efd212c16ac26f63003
    patch rpm(s):
    ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/cvs-1.11.6-85.x86_64.patch.rpm
      7d5f303351ae584f07998847cc476f7c
    source rpm(s):
    ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/cvs-1.11.6-85.src.rpm
      ff6eddc0257dfd8dfa1b97653117d2c7

______________________________________________________________________________

5)  Pending vulnerabilities in SUSE Distributions and Workarounds:

   - IDN (Internationalized Domain Name) cloaking / homograph attacks

     Problems with the IDN / punycode handling that allows non-ASCII
     domain names were reported for every browser.
     
          - The KDE approach is currently filtering on the top level domain.
          - The Mozilla approach is currently to display punycode.
     
     We have released Mozilla Firefox and KDE / konqueror updates for
     this problem, the others (mozilla suite and opera) are still pending.


   - PostgreSQL problems

     Additional PostgreSQL problems were reported:
     - A local user could bypass the EXECUTE permission check for
       functions by using the CREATE AGGREGATE command. CAN-2005-0244
     
     - Other earlier listed problems are already fixed.
     
     We are still working on updates for this problem.


   - new Mozilla security problems

     Several new Mozilla browser security problems have been reported.

     We are currently addressing these issues.

   - OpenOffice_org heap overflow
     A heap overflow was found in the MS Word document handing of
     OpenOffice_org, allowing a remote attacker to execute code via a
     handcrafted .doc file.

     We are preparing updates for this issue.

______________________________________________________________________________

6)  standard appendix: authenticity verification, additional information

  - Package authenticity verification:

    SUSE update packages are available on many mirror ftp servers all over
    the world. While this service is being considered valuable and important
    to the free and open source software community, many users wish to be
    sure about the origin of the package and its content before installing
    the package. 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) md5sums as provided in the (cryptographically signed) announcement.
    2) using the internal gpg signatures of the rpm package.

    1) execute the command
        md5sum <name-of-the-file.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
       announcement. Since the announcement containing the checksums is
       cryptographically signed (usually using the key security@...e.de),
       the checksums show proof of the authenticity of the package.
       We recommend against subscribing to security lists that cause the
       e-mail message containing the announcement to be modified
       so that the signature does not match after transport through the mailing
       list software.
       Downsides: You must be able to verify the authenticity of the
       announcement in the first place. If RPM packages are being rebuilt
       and a new version of a package is published on the ftp server, all
       md5 sums for the files are useless.

    2) 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, where <file.rpm> is the
       file name of the rpm package that you have downloaded. Of course,
       package authenticity verification can only target an uninstalled rpm
       package file.
       Prerequisites:
        a) gpg is installed
        b) The package is signed using a certain key. The public part of this
           key must be installed by the gpg program in the directory
           ~/.gnupg/ under the user's home directory who performs the
           signature verification (usually root). You can import the key
           that is used by SUSE in rpm packages for SUSE Linux by saving
           this announcement to a file ("announcement.txt") and
           running the command (do "su -" to be root):
            gpg --batch; gpg < announcement.txt | gpg --import
           SUSE Linux distributions version 7.1 and thereafter install the
           key "build@...e.de" upon installation or upgrade, provided that
           the package gpg is installed. The file containing the public key
           is placed at the top-level directory of the first CD (pubring.gpg)
           and at ftp://ftp.suse.com/pub/suse/pubring.gpg-build.suse.de .


  - SUSE runs two security mailing lists to which any interested party may
    subscribe:

    suse-security@...e.com
        -   general/linux/SUSE security discussion.
            All SUSE security announcements are sent to this list.
            To subscribe, send an email to
                <suse-security-subscribe@...e.com>.

    suse-security-announce@...e.com
        -   SUSE's announce-only mailing list.
            Only SUSE's security announcements are sent to this list.
            To subscribe, send an email to
                <suse-security-announce-subscribe@...e.com>.

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

    =====================================================================
    SUSE's security contact is <security@...e.com> or <security@...e.de>.
    The <security@...e.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,
    it is desired that the clear-text signature shows proof of the
    authenticity of the text.
    SUSE Linux AG makes 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@...e.de>
pub  1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <build@...e.de>

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