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                        SUSE Security Announcement

        Package:                udev
        Announcement ID:        SUSE-SA:2009:025
        Date:                   Wed, 22 Apr 2009 16:00:00 +0000
        Affected Products:      SUSE Linux Enterprise Desktop 10 SP2
                                SUSE Linux Enterprise 10 SP2 DEBUGINFO
                                SUSE Linux Enterprise Server 10 SP2
        Vulnerability Type:     local privilege escalation
        Severity (1-10):        7
        SUSE Default Package:   yes
        Cross-References:       CVE-2009-1185 SUSE-SA:2009:020

    Content of This Advisory:
        1) Security Vulnerability Resolved:
             udev local root exploit - SLE 10 sp2 respin
           Problem Description
        2) Solution or Work-Around
        3) Special Instructions and Notes
        4) Package Location and Checksums
        5) Pending Vulnerabilities, Solutions, and Work-Arounds:
            See SUSE Security Summary Report.
        6) Authenticity Verification and Additional Information

______________________________________________________________________________

1) Problem Description and Brief Discussion

   This update fixes a local privilege escalation in udev. We previously
   released these updates and the advisory as SUSE-SA:2009:020 on
   April 16.

   Due to a mistake the patch fixing the security problem was not
   applied to the udev package, and we did not spot this during the
   release process due to use of a not fully functional proof of concept
   exploit in QA.

   Only SUSE Linux Enterprise 10 SP2 was missing the patch, the updated
   udev packages of other products released on April 16 contain the fix.

   The issue fixed:
   CVE-2009-1185: udev did not check the origin of the netlink messages. A
   local attacker could fake device create events and so gain root
   privileges.

   We thank SGI for reporting the missing patch problem to us.

2) Solution or Work-Around

   There is no known workaround, please install the update packages.

3) Special Instructions and Notes

   Please restart the udevd after applying the update, by doing:

        /etc/init.d/boot.udev restart

   Alternatively you can reboot the machine to be sure.
4) Package Location and Checksums

   The preferred method for installing security updates is to use the YaST
   Online Update (YOU) tool. YOU detects which updates are required and
   automatically performs the necessary steps to verify and install them.
   Alternatively, download the update packages for your distribution manually
   and verify their integrity by the methods listed in Section 6 of this
   announcement. Then install the packages using the command

     rpm -Fhv 

   to apply the update, replacing  with the filename of the
   downloaded RPM package.

   Our maintenance customers are notified individually. The packages are
   offered for installation from the maintenance web:

   SUSE Linux Enterprise Server 10 SP2
     https://login.microfocus.com/nidp/app/login;set_restricted=true&keywords=db6bf858cbe026f33158888d4ae8f527

   SUSE Linux Enterprise 10 SP2 DEBUGINFO
     https://login.microfocus.com/nidp/app/login;set_restricted=true&keywords=db6bf858cbe026f33158888d4ae8f527

   SUSE Linux Enterprise Desktop 10 SP2
     https://login.microfocus.com/nidp/app/login;set_restricted=true&keywords=db6bf858cbe026f33158888d4ae8f527

______________________________________________________________________________

5) Pending Vulnerabilities, Solutions, and Work-Arounds:

   See SUSE Security Summary Report.
______________________________________________________________________________

6) 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 

    replacing  with the name of the file where you saved the
    announcement. The output for a valid signature looks like:

      gpg: Signature made  using RSA key ID 3D25D3D9
      gpg: Good signature from "SuSE Security Team "

    where  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 the 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 

    to verify the signature of the package, replacing  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 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-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
                .

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