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SuSE alert SUSE-SA:2006:075 (gpg,gpg2)

From:  Marcus Meissner <meissner@suse.de>
To:  suse-security-announce@suse.com
Subject:  [suse-security-announce] SUSE Security Announcement: gpg (SUSE-SA:2006:075)
Date:  Wed, 13 Dec 2006 11:43:55 +0100

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Announcement Package: gpg,gpg2 Announcement ID: SUSE-SA:2006:075 Date: Wed, 13 Dec 2006 12:00:00 +0000 Affected Products: Novell Linux Desktop 9 Novell Linux POS 9 Open Enterprise Server openSUSE 10.2 SUSE LINUX 10.1 SUSE LINUX 10.0 SUSE LINUX 9.3 SuSE Linux Desktop 1.0 SuSE Linux Enterprise Server 8 SuSE Linux Openexchange Server 4 SUSE LINUX Retail Solution 8 SuSE Linux School Server SuSE Linux Standard Server 8 SUSE SLED 10 SUSE SLES 10 SUSE SLES 9 UnitedLinux 1.0 Vulnerability Type: remote code execution Severity (1-10): 8 SUSE Default Package: yes Cross-References: CVE-2006-6169, CVE-2006-6235 Content of This Advisory: 1) Security Vulnerability Resolved: two security problems in GPG 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 Two security problems were fixed in the GNU Privacy Guard (GPG). - Specially crafted files could overflow a buffer when gpg was used in interactive mode (CVE-2006-6169). - Specially crafted files could modify a function pointer and could potentially execute code this way. (CVE-2006-6235). Update for all SUSE Linux based products have been released. 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 <file.rpm> to apply the update, replacing <file.rpm> with the filename of the downloaded RPM package. x86 Platform: openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/gpg-1.4.... 0032014cef28fd9d575ca9d56886dc9a ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/gpg2-1.9... 8cdf17f4928497c703df0986012bd924 SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/gpg-1.4.... 714ad111277495f85fb4d75c07a436e1 ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/gpg2-1.9... df328ffaa0b0fa34e70932dd8eafd399 SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/gpg... bbdac2ac9cf42f2e0744f93c7a27bd64 ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/gpg... 6b96bf0aa835b5c5a6d38f3fe9baa020 SUSE LINUX 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/gpg-... 1f188d6e98593753dbf0115758c60700 ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/gpg2... 493bb161ab9a0ee7e8b687da49fc874f Power PC Platform: openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/ppc/gpg-1.4.5... 8ba71e773c0ed4bfad10017d4f0ad769 ftp://ftp.suse.com/pub/suse/update/10.2/rpm/ppc/gpg2-1.9.... 04e4aa189832a2834ac843d3d216b560 SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/gpg-1.4.2... 87d3e2efab5fda6d0c0fb0228e8089eb ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/gpg2-1.9.... 9ecd1af3d67515388dc5f9c797d33fde SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/ppc/gpg-... 36dd086f17d69a2344387249f4f59828 ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/ppc/gpg2... 0b0a3f42511f722f1113ceb2ddb1fe42 x86-64 Platform: openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/gpg-1.... 178ec43c6b057b055e64fd8ce3b370f3 ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/gpg2-1... a480e34bc72c13902b060774a8c93614 SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/gpg-1.... 424104d7e79aa13997a9cd5bf48daaed ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/gpg2-1... f9813d58d65585d3216ce4a514288e60 SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/g... 542621ad20461324061e95d757f062a9 ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/g... 6e40568843721500e6e7a01e49478be5 SUSE LINUX 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/gp... d0857cd1ef3d71961e866f56c565b32d ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/x86_64/gp... 20eb29a34cd71e5d1fa86bb53522a5ca Sources: openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/src/gpg-1.4.5... 8b319a4138cc1ff4304dc45c369936c6 ftp://ftp.suse.com/pub/suse/update/10.2/rpm/src/gpg2-1.9.... 6ea5c120e635118233a97c5877ca10c0 SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/src/gpg-1.4.2... 551331ff3994d1e0a6a1c893f9d99c84 ftp://ftp.suse.com/pub/suse/update/10.1/rpm/src/gpg2-1.9.... 4dcf00273942790ccc8945f1badb441d SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/src/gpg-... 47425c0af8df3d11100bc938db0d9141 ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/src/gpg2... d76d488c78aa5c047f9d0d3a72bb1509 SUSE LINUX 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/gpg-1... 86c9afba71507f0d4f3f7e88fa599ea1 ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/gpg2-... a911124ed914970d7c458caf03ddd709 Our maintenance customers are notified individually. The packages are offered for installation from the maintenance web: UnitedLinux 1.0 SuSE Linux Openexchange Server 4 Open Enterprise Server Novell Linux POS 9 SuSE Linux Enterprise Server 8 SuSE Linux Standard Server 8 SuSE Linux School Server SUSE LINUX Retail Solution 8 SuSE Linux Desktop 1.0 SUSE SLES 9 http://support.novell.com/techcenter/psdb/440643b5b7f99c5... Novell Linux Desktop 9 SUSE SLES 10 SUSE SLED 10 http://support.novell.com/techcenter/psdb/440643b5b7f99c5... http://support.novell.com/techcenter/psdb/d29d6e06422f5a6... ______________________________________________________________________________ 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. There are two verification methods that can be used independently from each other to prove the authenticity of a downloaded file or RPM package: 1) Using the internal gpg signatures of the rpm package 2) MD5 checksums as provided in this announcement 1) 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. 2) If you need an alternative means of verification, use the md5sum command to verify the authenticity of the packages. Execute the command md5sum <filename.rpm> after you downloaded the file from a SUSE FTP server or its mirrors. Then compare the resulting md5sum with the one that is listed in the SUSE security announcement. Because the announcement containing the checksums is cryptographically signed (by security@suse.de), the checksums show proof of the authenticity of the package if the signature of the announcement is valid. Note that the md5 sums published in the SUSE Security Announcements are valid for the respective packages only. Newer versions of these packages cannot be verified. - 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>. suse-security-announce@suse.com - SUSE's announce-only mailing list. Only SUSE's security announcements are sent to this list. To subscribe, send an e-mail to <suse-security-announce-subscribe@suse.com>. ===================================================================== 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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