-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Summary Report Announcement ID: SUSE-SR:2007:005 Date: Fri, 30 Mar 2007 16:00:00 +0000 Cross-References: CVE-2007-0450, CVE-2007-0855, CVE-2007-1246 CVE-2007-1536, CVE-2007-1560 Content of this advisory: 1) Solved Security Vulnerabilities: - xine-lib overflow in w32 codec handling - tomcat directory traversal - unrar password handling stack overflow - squid remote denial of service - file integer underflow 2) Pending Vulnerabilities, Solutions, and Work-Arounds: - Month of PHP bugs 3) Authenticity Verification and Additional Information ______________________________________________________________________________ 1) Solved Security Vulnerabilities To avoid flooding mailing lists with SUSE Security Announcements for minor issues, SUSE Security releases weekly summary reports for the low profile vulnerability fixes. The SUSE Security Summary Reports do not list md5 sums or download URLs like the SUSE Security Announcements that are released for more severe vulnerabilities. Fixed packages for the following incidents are already available on our FTP server and via the YaST Online Update. - xine-lib overflow in w32 codec handling The DirectShow code in xine-libs Win32 interface uses wrong parameters in the memcpy function call which leads to a buffer overflow if it can be triggered by the codec. CVE-2007-1246 has been assigned to this issue and updates have been released for all SUSE Linux based products containing xine-lib. Note that if you do not have w32codecs installed you are not affected. - tomcat directory traversal Certain characters of the URL were not properly filtered in the Jakarta Tomcat server. This allowed directory reverse traversal attacks to access the web-root of tomcat. Updates were released for SLES 10 and SUSE Linux 9.3 up to 10.2, the updates for SLES 9 are still pending. This problem is tracked by the Mitre CVE ID CVE-2007-0450. - unrar password handling stack overflow A stack-based buffer overflow in unrar was fixed that can be exploited with user-assistance by sending a password-protected archive. This problem has been fixed for all affected products and is tracked by the Mitre CVE ID CVE-2007-0855. - squid remote denial of service A remote denial of service problem in Squid 2.6 was fixed which could be used by proxy users to crash a squid instance (which however immediately restarts). This problem has the Mitre CVE ID CVE-2007-1560 and was fixed for openSUSE 10.2. Older products are not affected by this problem since they contain Squid versions before 2.6. - file integer underflow An integer underflow within the ELF header parsing in "file" has been fixed which could lead to arbitrary code execution. CVE-2007-1536 has been assigned to this issue and updates were released for all SUSE Linux based products. The glibc heap checking code detects the corruption and terminates the program, so it is unclear if code execution is even theoretical possible. ______________________________________________________________________________ 2) Pending Vulnerabilities, Solutions, and Work-Arounds - Month of PHP bugs We are following the Month of PHP bugs closely and collect the reported problems. Once the month of bugs is over, we will release updated PHP packages. ______________________________________________________________________________ 3) 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 containing 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 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 <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 included 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+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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