[security-announce] SUSE Security Announcement: OpenSSL certificate verification problem (SUSE-SA:2009:006)

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Announcement Package: openssl Announcement ID: SUSE-SA:2009:006 Date: Fri, 23 Jan 2009 16:00:00 +0000 Affected Products: openSUSE 10.3 openSUSE 11.0 openSUSE 11.1 SuSE Linux Enterprise Server 8 SUSE SLES 9 Novell Linux Desktop 9 Open Enterprise Server Novell Linux POS 9 SLE SDK 10 SP2 SUSE Linux Enterprise Desktop 10 SP2 SUSE Linux Enterprise 10 SP2 DEBUGINFO SUSE Linux Enterprise Server 10 SP2 Vulnerability Type: SSL certificate checking bypass Severity (1-10): 8 SUSE Default Package: yes Cross-References: CVE-2008-5077 Content of This Advisory: 1) Security Vulnerability Resolved: OpenSSL EVP_VerifyFinal return value checking 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 The OpenSSL certificate checking routines EVP_VerifyFinal can return negative values and 0 on failure. In some places negative values were not checked and considered successful verification. Prior to this update it was possible to bypass the certification chain checks of openssl. This advisory is for the updates that improve the verification of return values inside the OpenSSL library itself. Several client programs also need to receive fixes to check that return value. A bind update which fixes this was already released yesterday, tracked in SUSE-SA:2009:005. A boinc-client and libnasl update was also released yesterday. Updates for ntp,xntp, and eID-Belgium are being prepared. 2) Solution or Work-Around There is no known workaround, please install the update packages. 3) Special Instructions and Notes Restart applications using OpenSSL. 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 11.1: http://download.opensuse.org/pub/opensuse/update/11.1/rpm/i586/libopenssl-de... http://download.opensuse.org/pub/opensuse/update/11.1/rpm/i586/libopenssl0_9... http://download.opensuse.org/pub/opensuse/update/11.1/rpm/i586/openssl-0.9.8... http://download.opensuse.org/pub/opensuse/update/11.1/rpm/i586/openssl-doc-0... openSUSE 11.0: http://download.opensuse.org/pub/opensuse/update/11.0/rpm/i586/libopenssl-de... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/i586/libopenssl0_9... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/i586/openssl-0.9.8... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/i586/openssl-certs... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/i586/openssl-doc-0... openSUSE 10.3: http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/libopenssl-de... http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/libopenssl0_9... http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/openssl-0.9.8... http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/openssl-certs... http://download.opensuse.org/pub/opensuse/update/10.3/rpm/i586/openssl-doc-0... Platform Independent: openSUSE 11.1: http://download.opensuse.org/pub/opensuse/update/11.1/rpm/noarch/openssl-cer... Power PC Platform: openSUSE 11.1: http://download.opensuse.org/pub/opensuse/update/11.1/rpm/ppc/libopenssl-dev... http://download.opensuse.org/pub/opensuse/update/11.1/rpm/ppc/libopenssl0_9_... http://download.opensuse.org/pub/opensuse/update/11.1/rpm/ppc/libopenssl0_9_... http://download.opensuse.org/pub/opensuse/update/11.1/rpm/ppc/openssl-0.9.8h... http://download.opensuse.org/pub/opensuse/update/11.1/rpm/ppc/openssl-doc-0.... openSUSE 11.0: http://download.opensuse.org/pub/opensuse/update/11.0/rpm/ppc/libopenssl-dev... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/ppc/libopenssl0_9_... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/ppc/libopenssl0_9_... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/ppc/openssl-0.9.8g... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/ppc/openssl-certs-... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/ppc/openssl-doc-0.... openSUSE 10.3: http://download.opensuse.org/pub/opensuse/update/10.3/rpm/ppc/libopenssl-dev... http://download.opensuse.org/pub/opensuse/update/10.3/rpm/ppc/libopenssl0_9_... http://download.opensuse.org/pub/opensuse/update/10.3/rpm/ppc/libopenssl0_9_... http://download.opensuse.org/pub/opensuse/update/10.3/rpm/ppc/openssl-0.9.8e... http://download.opensuse.org/pub/opensuse/update/10.3/rpm/ppc/openssl-certs-... http://download.opensuse.org/pub/opensuse/update/10.3/rpm/ppc/openssl-doc-0.... x86-64 Platform: openSUSE 11.1: http://download.opensuse.org/pub/opensuse/update/11.1/rpm/x86_64/libopenssl-... http://download.opensuse.org/pub/opensuse/update/11.1/rpm/x86_64/libopenssl0... http://download.opensuse.org/pub/opensuse/update/11.1/rpm/x86_64/libopenssl0... http://download.opensuse.org/pub/opensuse/update/11.1/rpm/x86_64/openssl-0.9... http://download.opensuse.org/pub/opensuse/update/11.1/rpm/x86_64/openssl-doc... openSUSE 11.0: http://download.opensuse.org/pub/opensuse/update/11.0/rpm/x86_64/libopenssl-... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/x86_64/libopenssl0... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/x86_64/libopenssl0... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/x86_64/openssl-0.9... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/x86_64/openssl-cer... http://download.opensuse.org/pub/opensuse/update/11.0/rpm/x86_64/openssl-doc... openSUSE 10.3: http://download.opensuse.org/pub/opensuse/update/10.3/rpm/x86_64/libopenssl-... http://download.opensuse.org/pub/opensuse/update/10.3/rpm/x86_64/libopenssl0... http://download.opensuse.org/pub/opensuse/update/10.3/rpm/x86_64/libopenssl0... http://download.opensuse.org/pub/opensuse/update/10.3/rpm/x86_64/openssl-0.9... http://download.opensuse.org/pub/opensuse/update/10.3/rpm/x86_64/openssl-cer... http://download.opensuse.org/pub/opensuse/update/10.3/rpm/x86_64/openssl-doc... Sources: openSUSE 11.1: http://download.opensuse.org/pub/opensuse/update/11.1/rpm/src/openssl-0.9.8h... http://download.opensuse.org/pub/opensuse/update/11.1/rpm/src/openssl-certs-... openSUSE 11.0: http://download.opensuse.org/pub/opensuse/update/11.0/rpm/src/openssl-0.9.8g... openSUSE 10.3: http://download.opensuse.org/pub/opensuse/update/10.3/rpm/src/openssl-0.9.8e... 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&keywords=11f6326cece4b234f5ca1844cb648dbd SLE SDK 10 SP2 http://download.novell.com/index.jsp?search=Search&keywords=11f6326cece4b234f5ca1844cb648dbd SUSE Linux Enterprise 10 SP2 DEBUGINFO http://download.novell.com/index.jsp?search=Search&keywords=11f6326cece4b234f5ca1844cb648dbd SUSE Linux Enterprise Desktop 10 SP2 http://download.novell.com/index.jsp?search=Search&keywords=11f6326cece4b234f5ca1844cb648dbd Open Enterprise Server http://download.novell.com/index.jsp?search=Search&keywords=0a0c29d2fa5ecac3cdf58a731bb7cd9a Novell Linux POS 9 http://download.novell.com/index.jsp?search=Search&keywords=0a0c29d2fa5ecac3cdf58a731bb7cd9a Novell Linux Desktop 9 http://download.novell.com/index.jsp?search=Search&keywords=0a0c29d2fa5ecac3cdf58a731bb7cd9a SUSE SLES 9 http://download.novell.com/index.jsp?search=Search&keywords=0a0c29d2fa5ecac3cdf58a731bb7cd9a SuSE Linux Enterprise Server 8 http://download.novell.com/index.jsp?search=Search&keywords=d105c9b195233c76b8132c1231f03b9d ______________________________________________________________________________ 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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