-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Announcement Package: yast2-backup Announcement ID: SUSE-SA:2008:054 Date: Tue, 25 Nov 2008 11:00:00 +0000 Affected Products: openSUSE 10.2 openSUSE 10.3 openSUSE 11.0 SuSE Linux Enterprise Server 8 SUSE SLES 9 Novell Linux Desktop 9 Open Enterprise Server Novell Linux POS 9 SUSE Linux Enterprise Desktop 10 SP1 SUSE Linux Enterprise Server 10 SP1 SUSE Linux Enterprise Desktop 10 SP2 SUSE Linux Enterprise Server 10 SP2 Vulnerability Type: local privilege escalation Severity (1-10): 5 SUSE Default Package: yes Cross-References: CVE-2008-4636 Content of This Advisory: 1) Security Vulnerability Resolved: yast2-backup shell code injection 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 Insufficient shell quoting in yast2-backup allowed local users to craft special file names that inject shell code into the backup process (CVE-2008-4636). 2) Solution or Work-Around There is no known workaround, please install the update packages. 3) Special Instructions and Notes None 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. Platform Independent: openSUSE 11.0: http://download.opensuse.org/pub/opensuse/update/11.0/rpm/noarch/yast2-backu... openSUSE 10.3: http://download.opensuse.org/pub/opensuse/update/10.3/rpm/noarch/yast2-backu... openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/noarch/yast2-backup-2.14.2-0.1.noarch.rpm Sources: openSUSE 11.0: http://download.opensuse.org/pub/opensuse/update/11.0/rpm/src/yast2-backup-2... openSUSE 10.3: http://download.opensuse.org/pub/opensuse/update/10.3/rpm/src/yast2-backup-2... openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/src/yast2-backup-2.14.2-0.1.src.rpm Our maintenance customers are notified individually. The packages are offered for installation from the maintenance web: Open Enterprise Server http://download.novell.com/index.jsp?search=Search&keywords=9b5088ff155f0ef71eeac627566a4ebe Novell Linux POS 9 http://download.novell.com/index.jsp?search=Search&keywords=9b5088ff155f0ef71eeac627566a4ebe Novell Linux Desktop 9 http://download.novell.com/index.jsp?search=Search&keywords=9b5088ff155f0ef71eeac627566a4ebe SUSE SLES 9 http://download.novell.com/index.jsp?search=Search&keywords=9b5088ff155f0ef71eeac627566a4ebe SuSE Linux Enterprise Server 8 http://download.novell.com/index.jsp?search=Search&keywords=83466dc61c7874dbb83c7035c8f3fed2 SUSE Linux Enterprise Server 10 SP1 http://download.novell.com/index.jsp?search=Search&keywords=873b8cb0771c68aded76518d4b12c766 SUSE Linux Enterprise Desktop 10 SP1 http://download.novell.com/index.jsp?search=Search&keywords=873b8cb0771c68aded76518d4b12c766 SUSE Linux Enterprise Server 10 SP2 http://download.novell.com/index.jsp?search=Search&keywords=388de739f171e7e9754618a1fee7894e SUSE Linux Enterprise Desktop 10 SP2 http://download.novell.com/index.jsp?search=Search&keywords=388de739f171e7e9754618a1fee7894e ______________________________________________________________________________ 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 " 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 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 . ===================================================================== SUSE's security contact is or . The 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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