-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Announcement Package: libexif Announcement ID: SUSE-SA:2007:039 Date: Tue, 03 Jul 2007 17:00:00 +0000 Affected Products: SUSE LINUX 10.0 SUSE LINUX 10.1 openSUSE 10.2 UnitedLinux 1.0 SuSE Linux Enterprise Server 8 SuSE Linux Openexchange Server 4 SuSE Linux Desktop 1.0 SuSE Linux Standard Server 8 SuSE Linux School Server SUSE LINUX Retail Solution 8 SUSE SLES 9 Novell Linux Desktop 9 Open Enterprise Server Novell Linux POS 9 SUSE Linux Enterprise Desktop 10 SP1 SLE SDK 10 SP1 SUSE Linux Enterprise Server 10 SP1 Vulnerability Type: remote denial of service Severity (1-10): 7 SUSE Default Package: yes Cross-References: CVE-2006-4168, CVE-2007-2645 Content of This Advisory: 1) Security Vulnerability Resolved: libexif remote denial of service 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 libexif library which handles extended information in JPEG images. CVE-2007-2645: A denial of service problem (crash) was fixed in the EXIF Loader of libexif, which could be used to crash the browser or image viewer when it interprets the EXIF tags in prepared JPEG files. () CVE-2006-4168: A integer overflow was fixed in the EXIF loader, which could potentially be used to execute code or at least to crash the image viewer/web browser. Attackers might crash your E-Mail client or Web browser by embedding a crafted JPEG image with broken EXIF data. 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. x86 Platform: openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/libexif-0.6.14-20.i586.rpm 8b51ea8c00917b92f2c6f917dc6c7075 ftp://ftp.suse.com/pub/suse/update/10.2/rpm/i586/libexif5-0.5.12-39.i586.rpm 2f664181c05adba466688d72acba0290 SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/libexif-0.6.13-20.6.i586.rpm 19c460b7303a61f73aa6e8fc608c19e6 ftp://ftp.suse.com/pub/suse/update/10.1/rpm/i586/libexif5-0.5.12-17.7.i586.rpm 94ef6e0db31f9a27cfe918127e111ae8 SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/libexif-0.6.13-5.6.i586.rpm 828b66ebbcf65165265b2626d5cfd128 ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/i586/libexif5-0.5.12-5.3.i586.rpm 2ee753118e36046fde13e7baf776198e Power PC Platform: openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/ppc/libexif-0.6.14-20.ppc.rpm 8b4fd53fe4d613e8265cca92e4125eed ftp://ftp.suse.com/pub/suse/update/10.2/rpm/ppc/libexif5-0.5.12-39.ppc.rpm 23907dd0364b4abc001ad0e1fefc559f SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/libexif-0.6.13-20.6.ppc.rpm 6dfe90de0ec18f6b62545d41c1ce0451 ftp://ftp.suse.com/pub/suse/update/10.1/rpm/ppc/libexif5-0.5.12-17.7.ppc.rpm 5b16777269b81781ab22e1199bae4744 SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/ppc/libexif-0.6.13-5.6.ppc.rpm 66758e06bf81296b0f785c4f9be1f6e4 ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/ppc/libexif5-0.5.12-5.3.ppc.rpm 088582470dcb34f117d7914dc0314fd8 x86-64 Platform: openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/libexif-0.6.14-20.x86_64.rpm 281b4a175bc3ee533c2bc013045cb56f ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/libexif-32bit-0.6.14-20.x86_64.rpm af8ca717ed67c7daf8162264d8c9aad0 ftp://ftp.suse.com/pub/suse/update/10.2/rpm/x86_64/libexif5-0.5.12-39.x86_64.rpm 62cb1d299cfb85754d2f99fc954f9786 SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/libexif-0.6.13-20.6.x86_64.rpm 9b758ea30cd441c9d43d0320b4660878 ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/libexif-32bit-0.6.13-20.6.x86_64.rpm 7b7666c817078d8ce07026a823dd9b4d ftp://ftp.suse.com/pub/suse/update/10.1/rpm/x86_64/libexif5-0.5.12-17.7.x86_64.rpm 2166b456ee47fe57d4557ede76e54a13 SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/libexif-0.6.13-5.6.x86_64.rpm 5b52f417442e5b6e4c5aebcad9577696 ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/libexif-32bit-0.6.13-5.6.x86_64.rpm 6785cb87dd30b864171f79cd7b5c3535 ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/x86_64/libexif5-0.5.12-5.3.x86_64.rpm e1f59baef428fa1c02d06f83f3aeee59 Sources: openSUSE 10.2: ftp://ftp.suse.com/pub/suse/update/10.2/rpm/src/libexif-0.6.14-20.src.rpm 1feda79286d3d993eaed1e6c9d9b6477 ftp://ftp.suse.com/pub/suse/update/10.2/rpm/src/libexif5-0.5.12-39.src.rpm 7f2a0b31dab5845cd281926e91f181b7 SUSE LINUX 10.1: ftp://ftp.suse.com/pub/suse/update/10.1/rpm/src/libexif-0.6.13-20.6.src.rpm 78bf6de918f018177b3151eed8cf7709 ftp://ftp.suse.com/pub/suse/update/10.1/rpm/src/libexif5-0.5.12-17.7.src.rpm ac32eee3053e9ec1c28363fbddcc7d0d SUSE LINUX 10.0: ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/src/libexif-0.6.13-5.6.src.rpm 8f901b2be54e9ea36539723f2fe63e5f ftp://ftp.suse.com/pub/suse/i386/update/10.0/rpm/src/libexif5-0.5.12-5.3.src.rpm aa25a73a0f84cfe83728d94bbd69a454 Our maintenance customers are notified individually. The packages are offered for installation from the maintenance web: SLE SDK 10 SP1 http://support.novell.com/techcenter/psdb/f4ec1eac6e651c2a2747f2e56275d1c4.h... SUSE Linux Enterprise Server 10 SP1 http://support.novell.com/techcenter/psdb/f4ec1eac6e651c2a2747f2e56275d1c4.h... http://support.novell.com/techcenter/psdb/bfd3d663c28c43bc07ad75413eec677a.h... SUSE Linux Enterprise Desktop 10 SP1 http://support.novell.com/techcenter/psdb/bfd3d663c28c43bc07ad75413eec677a.h... UnitedLinux 1.0 http://support.novell.com/techcenter/psdb/d2186e8218d131e17a5524c43a27b841.h... SuSE Linux Openexchange Server 4 http://support.novell.com/techcenter/psdb/d2186e8218d131e17a5524c43a27b841.h... Open Enterprise Server http://support.novell.com/techcenter/psdb/d2186e8218d131e17a5524c43a27b841.h... Novell Linux POS 9 http://support.novell.com/techcenter/psdb/d2186e8218d131e17a5524c43a27b841.h... Novell Linux Desktop 9 http://support.novell.com/techcenter/psdb/d2186e8218d131e17a5524c43a27b841.h... SuSE Linux Enterprise Server 8 http://support.novell.com/techcenter/psdb/d2186e8218d131e17a5524c43a27b841.h... SuSE Linux Standard Server 8 http://support.novell.com/techcenter/psdb/d2186e8218d131e17a5524c43a27b841.h... SuSE Linux School Server http://support.novell.com/techcenter/psdb/d2186e8218d131e17a5524c43a27b841.h... SUSE LINUX Retail Solution 8 http://support.novell.com/techcenter/psdb/d2186e8218d131e17a5524c43a27b841.h... SuSE Linux Desktop 1.0 http://support.novell.com/techcenter/psdb/d2186e8218d131e17a5524c43a27b841.h... SUSE SLES 9 http://support.novell.com/techcenter/psdb/d2186e8218d131e17a5524c43a27b841.h... ______________________________________________________________________________ 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. 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 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. 2) If you need an alternative means of verification, use the md5sum command to verify the authenticity of the packages. Execute the command md5sum 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-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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