SUSE Security Summary Report: SUSE-SR:2005:025

4 Nov 2005

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______________________________________________________________________________

                        SUSE Security Summary Report

        Announcement ID:        SUSE-SR:2005:025
        Date:                   Fri, 04 Nov 2005 14:00:00 +0000
        Cross-References:       CVE-2005-2869, CVE-2005-2917, CVE-2005-2958
                                CVE-2005-2959, CVE-2005-2971, CVE-2005-2974
                                CVE-2005-3068, CVE-2005-3120, CVE-2005-3122
                                CVE-2005-3123, CVE-2005-3184, CVE-2005-3185
                                CVE-2005-3241, CVE-2005-3242, CVE-2005-3243
                                CVE-2005-3244, CVE-2005-3245, CVE-2005-3246
                                CVE-2005-3247, CVE-2005-3248, CVE-2005-3249
                                CVE-2005-3258, CVE-2005-3300, CVE-2005-3301
                                CVE-2005-3313, CVE-2005-3318, CVE-2005-3350
                                CVE-2005-3388, CVE-2005-3389, CVE-2005-3390
                                CVE-2005-3393, CVE-2005-3409

    Content of this advisory:
        1) Solved Security Vulnerabilities:
            - openvpn
            - lynx
            - liby2util
            - wget
            - kchmviewer
            - koffice-wordprocessing
            - ethereal
        2) Pending Vulnerabilities, Solutions, and Work-Arounds:
            - zope
            - phpMyAdmin
            - libgda
            - squid
            - php4, php5
            - gnump3d
            - libungif, giflib
            - sudo
            - eric
        3) Authenticity Verification and Additional Information

______________________________________________________________________________

1) Solved Security Vulnerabilities

   To avoid flooding mailing lists with SUSE Security Announcements for minor
   issues, SUSE Security releases weekly summary reports for the low profile
   vulnerability fixes. The SUSE Security Summary Reports do not list md5 sums
   or download URLs like the SUSE Security Announcements that are released for
   more severe vulnerabilities.

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

   - openvpn
     An openvpn update fixes the following security bugs:

     - a malicious or compromised server could exploit a format string
       bug in clients to execute arbitrary code (CVE-2005-3393).

     - a server in TCP mode could be made to crash due to insufficient
       checks for the error code of the accept() system call
       (CVE-2005-3409).

     SUSE Linux 9.3 and 10.0 are affected.

   - lynx
     This update fixes a buffer overflow in function HTrjis() that occurs while
     processing NNTP headers. An attacker can exploit this remotely by persuading
     the victim user to connect to a NNTP server which includes a malformated
     article to execute arbitrary code. (CAN-2005-3120)

     All SUSE LINUX based products and SLES9 are affected.

   - liby2util
     The previous liby2util update on SUSE Linux 9.1 was broken. Fixed
     packages have been released.

   - wget
     Updates for SUSE Linux 9.2 that fix CAN-2005-3185 where missing
     previously. Update packages are now available.

   - kchmviewer
     kchmviewer contained a copy of chmlib that was prone to a buffer
     overflow (CVE-2005-3318).

     SUSE Linux 10.0 is affected.

   - koffice-wordprocessing
     A buffer overflow in the RTF import filter in koffice was fixed
     (CAN-2005-2971 / CESA-2005-005). It allowed remote attackers to
     execute code in the koffice process by preparing a special RTF
     file.

     All SUSE LINUX products and SLD are affected.

   - ethereal
     A version upgrade to ethereal 0.10.13  fixes several security
     related bugs ranging from crashes to arbitrary code execution.
     (CVE-2005-3241, CVE-2005-3242, CVE-2005-3243, CVE-2005-3244,
     CVE-2005-3245, CVE-2005-3246, CVE-2005-3247, CVE-2005-3248,
     CVE-2005-3249, CVE-2005-3184, CVE-2005-3313)

     All SUSE LINUX based products are affected.

______________________________________________________________________________

2) Pending Vulnerabilities, Solutions, and Work-Arounds

   - zope
     Zope honors file inclusion directives in RestructuredText objects
     which potentially allowed attackers to execute arbitrary code (Zope
     Hotfix 2005-10-09).

     Updates are currently being QA tested.

     All SUSE LINUX products >= 9.1 and SLES9 are affected.

   - phpMyAdmin
     We are preparing updates for the following issues:

     - multiple cross-site scripting (XSS) bugs (CVE-2005-3301,
       CAN-2005-2869, PMASA-2005-5).

     - multiple file inclusion vulnerabilities that allowed an attacker
       to include arbitrary files (CVE-2005-3300, CVE-2005-3301,
       PMASA-2005-5).

     All SUSE LINUX products are affected.

   - libgda
     libgda contains two format string bugs in logging routines. Those
     bugs could potentially indirectly lead to arbitrary code execution
     via applications that link against libgda and supply data to libgda
     (CAN-2005-2958).

     Updates are currently beeing QA tested.

     All SUSE LINUX products and SLES9 are affected.

   - squid
     We are preparing updates for the following issues:

     - A bug in the NTLM authentication could crash squid (CVE-2005-2917)

     - Odd replies of FTP servers could crash squid (CVE-2005-3258)

     Updates are currently being QA tested.

     All SUSE LINUX based products are affected

   - php4, php5
     Stefan Esser discovered a cross-site scripting bug in the phpinfo()
     function (CVE-2005-3388), a bug that allows an attacker to enable
     register_globals (CVE-2005-3389) and a bug that allows an attacker
     to overwrite the $GLOBALS array (CVE-2005-3390).

     We are preparing updates for these issues.

     All SUSE LINUX based products are affected.

   - gnump3d
     Steve Kemp discovered a cross-site scripting bug (CVE-2005-3122) and
     a directory traversal bug (CVE-2005-3123) in gnump3d.

     We are preparing updates for these issues.

     All SUSE LINUX products are affected.

   - libungif, giflib
     We are preparing updates for the following issues:

     - specially crafted GIF files could crash applications
       (CVE-2005-2974).

     - specially crafted GIF files could overwrite memory which
       potentially allowed to execute arbitrary code (CVE-2005-3350).

     Updates are currently being QA tested.

     All SUSE LINUX based products are affected.

   - sudo
     The fix for CVE-2005-2959 further extends the sudo internal
     environment variable blacklist to prevent interpretation of those
     variables by the bash shell. In our opinion a blacklist based
     approach to improve security is doomed to fail. If you use sudo to
     grant limited super user access to regular users you should rather
     configure sudo to clean the entire environment by setting the
     options env_reset and always_set_home. We will therefore not release
     security updates for the sole purpose of extending the blacklist.

   - eric
     Eric project files may contain python code which is run through
     eval() by eric. The fix for CVE-2005-3068 does not prevent this.
     A project file is some kind of Makefile, executing code in such a
     development environment is a natural property. GPG signatures should
     be used to validate integrity and authenticity of source releases.
     We are therefore not going release security updates for eric.

______________________________________________________________________________

3) 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 containing 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 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 <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 included at the end of this
    announcement.

  - 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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Ludwig Nussel

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