[security-announce] SUSE Security Summary Report: SUSE-SR:2010:007

30 Mar 2010

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______________________________________________________________________________

                        SUSE Security Summary Report

        Announcement ID:        SUSE-SR:2010:007
        Date:                   Tue, 30 Mar 2010 10:00:00 +0000
        Cross-References:       CVE-2008-6514, CVE-2008-7247, CVE-2009-1299
                                CVE-2009-2563, CVE-2009-2855, CVE-2009-3553
                                CVE-2009-4019, CVE-2009-4028, CVE-2009-4030
                                CVE-2009-4376, CVE-2009-4377, CVE-2009-4484
                                CVE-2010-0302, CVE-2010-0304, CVE-2010-0308
                                CVE-2010-0393, CVE-2010-0424, CVE-2010-0547
                                CVE-2010-0628, CVE-2010-0736, CVE-2010-0926

    Content of this advisory:
        1) Solved Security Vulnerabilities:
            - cifs-mount/samba
            - compiz-fusion-plugins-main
            - cron
            - cups
            - ethereal/wireshark
            - krb5
            - mysql
            - pulseaudio
            - squid/squid3
            - viewvc
        2) Pending Vulnerabilities, Solutions, and Work-Arounds:
            none
        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 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.

   - cifs-mount/samba
     With enabled "wide links" samba follows symbolic links on the server
     side, therefore allowing clients to overwrite arbitrary files
     (CVE-2010-0926). This update changes the default setting to have
     "wide links" disabled by default. The new default only works if
     "wide links" is not set explicitly in smb.conf.

     Due to a race condition in mount.cifs a local attacker could corrupt
     /etc/mtab if mount.cifs is installed setuid root. mount.cifs is not
     setuid root by default and it's not recommended to change that
     (CVE-2010-0547).
     Affected products: SLE 11, openSUSE 11.0-11.2

   - compiz-fusion-plugins-main
     The expo plugin in Compiz Fusion allowed local users with physical access
     to bypass the screen-saver by just dragging it aside. (CVE-2008-6514:
     CVSS v2 Base Score: 6.2)
     Affected products: SLE 11, openSUSE 11.0-11.2

   - cron
     This update of cron fixes a race condition in crontab that can be used to
     change the time-stamp of arbitrary files while editing the crontab entry.
     CVE-2010-0424: CVSS v2 Base Score: 3.6
     Additionally the return value of initgroups() is verified now.
     Affected products: SLE 10 SP2+SP3 , SLE 11, openSUSE 11.0-11.2,
     Moblin 2.0-2.1

   - cups
     lppasswd when running setuid or setgid still honors environment variables
     that specify the location of message files. Local attackers could exploit
     that to gather information by using crafted format strings
     (CVE-2010-0393).

     The previous fix for a use-after-free vulnerability (CVE-2009-3553) was
     incomplete (CVE-2010-0302).
     Affected products: SLE 11, openSUSE 11.0-11.2, Moblin 2.0-2.1

   - ethereal/wireshark
     This update of ethereal fixes:
     - CVE-2009-4376: Remote attackers could potentially trigger a buffer
       overflow in the Daintree SNA file parser.
     - CVE-2009-4377: Specially crafted packets could cause the SMB and SMB2
       dissector to crash wireshark.
     - CVE-2009-2563: Unspecified vulnerability in the Infiniband dissector
       allows remote attackers to cause a denial of service.
     - CVE-2010-0304: Several buffer overflows in the LWRES dissector.
     Affected products: SLES 9, SLE 10 SP2+SP3, SLE 11, openSUSE 11.0-11.2

   - krb5
     MITKRB5-SA-2010-002: unauthenticated remote attacker could cause a
     GSS-API application including the Kerberos administration daemon
     (kadmind) to crash.
     CVE-2010-0628 has been assigned to this issue.
     Affected products: openSUSE 11.2

   - mysql
     - fixing various security issues (bnc#557669) 
       - upstream #47320 - checking server certificates (CVE-2009-4028)
       - upstream #48291 - error handling in subqueries (CVE-2009-4019)
       - upstream #47780 - preserving null_value flag in GeomFromWKB()
         (CVE-2009-4019)
       - upstream #39277 - symlink behaviour fixed (CVE-2008-7247)
       - upstream #32167 - symlink behaviour refixed (CVE-2009-4030)
       - fixing remote buffer overflow (CVE-2009-4484)
     Affected products: SLE 10 SP2+SP3

   - pulseaudio
     Due to a race condition in pulseaudio a local attacker could make
     pulseaudio change ownership and permissions of arbitrary files.
     The problem is only security relevant if pulseaudio is run in
     "system mode" which is not the case by default (CVE-2009-1299).
     Affected products: openSUSE 11.0-11.2

   - squid/squid3
     The following vulnerabilities have been fixed in squid:
     - CVE-2009-2855: DoS via special crafted auth header
     - CVE-2010-0308: DoS via invalid DoS header
     Affected products: SLES 9, SLE 10 SP2+SP3, SLE 11, openSUSE 11.0-11.2

   - viewvc
     Query forms didn't escape user provided input, therefore allowing
     cross-site-scripting (XSS) attacks.
     CVE-2010-0736 has been assigned to this issue.
     Affected products: openSUSE 11.0-11.2

______________________________________________________________________________

2) Pending Vulnerabilities, Solutions, and Work-Arounds

   none
______________________________________________________________________________

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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-- 
~
~ perl self.pl
~ $_='print"\$_=\47$_\47;eval"';eval
~ krahmer@suse.de - SuSE Security Team
~ SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nuernberg)

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Sebastian Krahmer

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