-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ 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 <file.rpm> to apply the update, replacing <file.rpm> 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 http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=db6bf858cbe026f33158888d4ae8f527 SUSE Linux Enterprise 10 SP2 DEBUGINFO http://download.novell.com/index.jsp?search=Search&set_restricted=true&keywords=db6bf858cbe026f33158888d4ae8f527 SUSE Linux Enterprise Desktop 10 SP2 http://download.novell.com/index.jsp?search=Search&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 <file> replacing <file> with the name of the file where you saved 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 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 <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 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. 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