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______________________________________________________________________________

                        SUSE Security Summary Report

        Announcement ID:        SUSE-SR:2007:025
        Date:                   Wed, 05 Dec 2007 12:00:00 +0000
        Cross-References:       CVE-2007-1659, CVE-2007-1660, CVE-2007-5198
                                CVE-2007-5269, CVE-2007-5380, CVE-2007-5497
                                CVE-2007-5623, CVE-2007-5846, CVE-2007-6109
                                CVE-2007-6110, CVE-2007-6130


    Content of this advisory:
        1) Solved Security Vulnerabilities:
            - net-snmp denial of service problems
            - htdig XSS attacks
            - e2fsprogs overflows in libext2fs
            - nagios-plugins security problems
            - libpng denial of service problem
            - emacs overflow in command line
            - rubygem-actionpack session access
            - gnump3d restriction bypass
            - glib2 affected by PCRE problems
        2) Pending Vulnerabilities, Solutions, and Work-Arounds:
            - None listed this week.
        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.

   - net-snmp denial of service problems

     Net-snmp was updated to fix the following bugs:
     - default and configurable maximum number of varbinds returnable to
       a GETBULK request (CVE-2007-5846)
     - crash when smux peers were configured with empty passwords
     - the UCD-SNMP-MIB::memCached.0 SNMP object was missing
     - the snmptrap command from the net-snmp package sends traps per
       default on the wrong port.


   - htdig XSS attacks

     A flaw in the htsearch Program could be exploited by attackers to
     conduct cross site scripting (XSS) attacks. (CVE-2007-6110)


   - e2fsprogs overflows in libext2fs

     e2fsprogs has been updated to fix several integer overflows in
     memory allocating code. Programs that use libext2fs are therefore
     vulnerable to memory corruptions that can lead to arbitrary code
     execution while loading a specially crafted image. (CVE-2007-5497)

     Updates have been provided for all SUSE Linux based products.


   - nagios-plugins security problems

     Two security problems in Nagios plugins were fixed for all SUSE
     Linux based distributions:

     - fixed possible buffer overflow during HTTP Location header parsing
       in check_http (CVE-2007-5198)
     - fixed possible buffer overflow during snmpget parsing in check_snmp
       (CVE-2007-5623)


   - libpng denial of service problem

     A security problem in libpng was fixed where specially crafted
     PNG files could crash applications attempting to open such a file
     (CVE-2007-5269).

     Updated packages have been releases for all distributions.


   - emacs overflow in command line

     A buffer overflow was fixed in emacs that can be triggered over
     the command-line (CVE-2007-6109).

     Updates have been released for all distributions containing emacs.


   - rubygem-actionpack session access

     A security problem in the Ruby on Rails package rubygem-actionpack
     was fixed, where malicious users could specify their session-ID in
     the URL and so could gain access to an authenticated session that
     way (CVE-2007-5380).

     The package was fixed in openSUSE 10.3 and SUSE Linux Enterprise 10.


   - gnump3d restriction bypass

     A restriction bypass in plugins of the gnump3d package was fixed. (CVE-2007-6130)

     Updated packages have been provided for SUSE Linux 10.1, openSUSE 10.2 and 10.3.


   - glib2 affected by PCRE problems

     glib2 on openSUSE 10.3 included a copy of the PCRE library.

     This copy has been disabled and glib2 is now linking against the system PCRE,
     which has those problems fixed. (CVE-2007-1659, CVE-2007-1660)
______________________________________________________________________________

2) Pending Vulnerabilities, Solutions, and Work-Arounds

   None listed this week.
______________________________________________________________________________

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:

    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+subscribe@opensuse.org>.

    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
                <opensuse-security-announce+subscribe@opensuse.org>.

    =====================================================================
    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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