Mailinglist Archive: opensuse-security-announce (7 mails)

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SUSE Security Summary Report SUSE-SR:2005:002
  • From: Marcus Meissner <meissner@xxxxxxx>
  • Date: Wed, 26 Jan 2005 15:45:21 +0000 (UTC)
  • Message-id: <41F7BAE3.mailLG0111Z6E@xxxxxxx>

-----BEGIN PGP SIGNED MESSAGE-----

______________________________________________________________________________

                        SUSE Security Summary Report

        Announcement-ID:        SUSE-SR:2005:002
        Date:                   Wednesday, Jan 26th 2005 17:00 MEST
        Cross References:       CAN-2004-1125
                                CAN-2005-0064
                                CAN-2004-1029
                                CAN-2004-0991
                                CAN-2004-0982
                                CAN-2004-1036
                                CAN-2004-1177
                                CAN-2004-1178
                                CAN-2004-1188
                                CAN-2004-1187
                                CAN-2004-1300
                                CAN-2005-0021
                                CAN-2005-0022

    Content of this advisory:
        1) solved security vulnerabilities:
            - new xpdf integer overflows
            - awstats remote code injection
            - Java Plugin security problem
            - mpg123 buffer overflow
            - squirrelmail cross site scripting
            - MozillaThunderbird NNTP handling
            - mailman cross site scripting and weak passwords
            - xine-lib buffer overflows

        2) pending vulnerabilities, solutions, workarounds:
            - cups security problems
            - mozilla problems
            - several KDE problems
            - ImageMagick buffer overflow

        3) standard appendix (further information)

______________________________________________________________________________

1) solved security vulnerabilities

   To avoid spamming lists with advisories for every small incident,
   we will release weekly summary advisories for issues where we have
   released updates without a full advisory. Since these are minor
   issues, md5sums and ftp URLs are not included.

   Fixed packages for the following incidents are already available on
   our FTP server and via the YaST Online Update.


   - integer overflows in xpdf

     More integer overflows were reported by iDEFENSE Security. These
     have been fixed and updated packages for xpdf, gpdf, pdftohtml,
     kdegraphics-pdf have already been released, cups is pending testing.

     These are tracked by the Mitre CVE IDs CAN-2004-1125 and CAN-2005-0064.

     This affects all SUSE Linux based distributions.


   - awstats remote code injection

     A remote code injection with handcrafted URL parameters was found
     in the awstats web statistics helper program and could lead to a remote
     attacker to easily gain access to the system.

     This was fixed for SUSE Linux 9.1 and 9.2, the awstats packages of older
     versions appear not to be vulnerable.


   - Java Plugin security

     A privilege escalation problem was found in the Sun Java Plugin
     which could have a remote attacker reading and writing files of
     a local user browsing websites.
     This is tracked by the Mitre CVE ID CAN-2004-1029.

     This bug affects all SUSE versions on the Intel x86 and AMD64 /
     Intel Extended Memory Architecture (EM64T) platforms.



   - mpg123 buffer overflow

     Another buffer overflow was found in the stream handling of
     mpg123. Also the previous fix of the HTTP header handling
     was improved upon. This is tracked by the Mitre CVE IDs CAN-2004-0991
     and CAN-2004-0982.

     All SUSE Linux products including mpg123 are affected.


   - squirrelmail cross site scripting problem

     A cross site scripting problem in squirrelmail was fixed. This issue
     is tracked by the Mitre CVE ID CAN-2004-1036.

     All SUSE Linux versions were affected by the problem.


   - MozillaThunderbird

     The handling of NNTP headers in Mozilla version up to 1.7.3
     could lead to a remote attacker to gain access by manipulating
     a remote NNTP Server.

     SUSE Linux versions 9.1 and 9.2 are affected.


   - cross site scripting and weak passwords in mailman

     A cross site scripting problem in mailman was fixed. Also, mailman
     auto generated too weak passwords (if the user did not choose a
     password).
     This is tracked by the Mitre CVE IDs CAN-2004-1178 and CAN-2004-1177.

     All SUSE Linux based products are affected.


   - xine-lib buffer overflow problems

     Several problems spotted by students of djb that could have a remote
     attacker exploiting buffer overflows to get local access were fixed
     in the xine-lib package. This is tracked by the Mitre CVE IDs
     CAN-2004-1188, CAN-2004-1187, and CAN-2004-1300.

     All SUSE Linux based products are affected.


   - exim local buffer overflow problems

     Buffer overflows in exim helper applications could help a local
     attacker gaining root access.

     These issues are tracked by the Mitre CVE IDs CAN-2005-0021 and
     CAN-2005-0022.

     All SUSE Linux based products are affected.


   - imlib2 buffer overflows

     The XPM and BMP loader of the imlib2 library had several buffer
     overflows. Since no network aware applications use imlib2, this
     problem is of minor severity.

     SUSE Linux version 9.0 to 9.2 are affected.
______________________________________________________________________________

2)  Pending vulnerabilities in SUSE Distributions and Workarounds:


   - several security problems in CUPS

     Several problems in the print system CUPS are currently being fixed
     and tested:
     - xpdf buffer overflows in included pdftops filter program.
     - buffer overflow in hpgltops filter program found by djb students.
     - lppasswd denial of service attack found by djb students.

     Packages are currently QA tested.


   - Mozilla vulnerabilities

     Lots of Mozilla problems have been fixed in the Mozilla and Mozilla 
     Firefox packages. These are currently being QA tested.


   - ImageMagick buffer overflow vulnerability

     A ImageMagick buffer overflow vulnerability was reported by iDEFENSE
     security. Updated packages have been prepared and are currently being
     QA tested. 


   - Several KDE vulnerabilities

     Several vulnerabilities were identified within KDE:

     - Java Plugin security problems similar to the Sun Java Plugin
       security problems were identified and fixed.
     - A FTP command injection problem was identified and fixed.
     - Window injection vulnerabilities were identified and fixed.

     Updated packages for all SUSE Linux based products are currently
     being QA tested.
______________________________________________________________________________

3)  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@xxxxxxx),
       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@xxxxxxx" 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@xxxxxxxx
        -   general/linux/SUSE security discussion.
            All SUSE security announcements are sent to this list.
            To subscribe, send an email to
                <suse-security-subscribe@xxxxxxxx>.

    suse-security-announce@xxxxxxxx
        -   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@xxxxxxxx>.

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

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

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