-----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SUSE Security Announcement Package: squid Announcement ID: SUSE-SA:2005:053 Date: Fri, 16 Sep 2005 14:28:00 +0000 Affected Products: 9.0, 9.1, 9.2, 9.3 SUSE Linux Enterprise Server 8, 9 Open Enterprise Server 9 Vulnerability Type: remote denial of service Severity (1-10): 4 SUSE Default Package: no Cross-References: CAN-2005-2794 CAN-2005-2796 Content of This Advisory: 1) Security Vulnerability Resolved: - 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 Workarounds: none 6) Authenticity Verification and Additional Information ______________________________________________________________________________ 1) Problem Description and Brief Discussion This update of the Squid web-proxy fixes two remotely exploitable denial of service vulnerabilities. One can be triggered by aborting a request (CAN-2005-2794) due to a faulty assertion. The other one occurs in sslConnectTimeout while handling malformated requests (CAN-2005-2796). The latter one does not affect SUSE LINUX 9.3. 2) Solution or Workaround There are no workarounds known. 3) Special Instructions and Notes Please restart the Squid web-proxy after the update. 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. Our maintenance customers are notified individually. The packages are offered for installation from the maintenance web. x86 Platform: SUSE Linux 9.3: ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/squid-2.5.STABLE9-4.4.i586.rpm eea572b10ecf573753af16ecf1fbdaa7 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/i586/squid-2.5.STABLE9-4.4.i586.patch.rpm becf331a849332d734d72f90801d8338 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.3/rpm/src/squid-2.5.STABLE9-4.4.src.rpm 8c0ffeccd0c8fd64418164f275adbd27 SUSE Linux 9.2: ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/squid-2.5.STABLE6-6.15.i586.rpm 93720922d4f7ae4370b2c4e493fae592 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/squid-2.5.STABLE6-6.15.i586.patch.rpm 9e4d07f1f11c8c1cbf7564c8d2164ca7 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/src/squid-2.5.STABLE6-6.15.src.rpm 236cb11582b4983350ef81e5e8508c39 SUSE Linux 9.1: ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/squid-2.5.STABLE5-42.41.i586.rpm dc9848a817367dfe278a6f3954c6677f patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/squid-2.5.STABLE5-42.41.i586.patch.rpm 5c534d9df125a3ff02c5fa32bf216f64 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/src/squid-2.5.STABLE5-42.41.src.rpm 4dd683495e578ec59bd34260caf9a565 SUSE Linux 9.0: ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/squid-2.5.STABLE3-126.i586.rpm 6d094da21806166dde5f6da8307ca2a2 patch rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/squid-2.5.STABLE3-126.i586.patch.rpm 02172274b15a28b918c54d470203d029 source rpm(s): ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/src/squid-2.5.STABLE3-126.src.rpm 3cfae65a6cee24e6cfe8adc4226fa601 x86-64 Platform: SUSE Linux 9.3: ftp://ftp.suse.com/pub/suse/x86_64/update/9.3/rpm/x86_64/squid-2.5.STABLE9-4.4.x86_64.rpm d07ae04a018a3abb082cd0b130c145a0 patch rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.3/rpm/x86_64/squid-2.5.STABLE9-4.4.x86_64.patch.rpm cbcb39ccc9ee0340692ae3cf048453ff source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.3/rpm/src/squid-2.5.STABLE9-4.4.src.rpm 8c0ffeccd0c8fd64418164f275adbd27 SUSE Linux 9.2: ftp://ftp.suse.com/pub/suse/x86_64/update/9.2/rpm/x86_64/squid-2.5.STABLE6-6.15.x86_64.rpm 915b0b2955f878a2e89b171d1335274c patch rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.2/rpm/x86_64/squid-2.5.STABLE6-6.15.x86_64.patch.rpm c488ab4031de911b6675a785a4d2a4dd source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.2/rpm/src/squid-2.5.STABLE6-6.15.src.rpm 236cb11582b4983350ef81e5e8508c39 SUSE Linux 9.1: ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/squid-2.5.STABLE5-42.41.x86_64.rpm 6fc9746898681ee217f884f6aaca8e68 patch rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/squid-2.5.STABLE5-42.41.x86_64.patch.rpm 37ada616c159242b53e2dfbf5f94597c source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/squid-2.5.STABLE5-42.41.src.rpm 310321fd1232ea45ccb06fd5b24ba664 SUSE Linux 9.0: ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/squid-2.5.STABLE3-126.x86_64.rpm f39071c7802d8bb77ed00038e095a6af patch rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/squid-2.5.STABLE3-126.x86_64.patch.rpm 05f996332331ddebf848cc2726fcbc87 source rpm(s): ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/squid-2.5.STABLE3-126.src.rpm 3c7e8fc9a5e0cf4c6638d57fed2fdf53 ______________________________________________________________________________ 5) Pending Vulnerabilities, Solutions, and Workarounds: 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 replacing with the name of the file where you saved the announcement. The output for a valid signature looks like: gpg: Signature made using RSA key ID 3D25D3D9 gpg: Good signature from "SuSE Security Team " where 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: suse-security@suse.com - General Linux and SUSE security discussion. All SUSE security announcements are sent to this list. To subscribe, send an e-mail to . 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 . For general information or the frequently asked questions (FAQ), send mail to or . ===================================================================== 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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