-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ SUSE Security Summary Report Announcement ID: SUSE-SR:2007:017 Date: Fri, 17 Aug 2007 17:00:00 +0000 Cross-References: CVE-2007-3099, CVE-2007-3100, CVE-2007-3377 CVE-2007-3409, CVE-2007-4091 Content of this advisory: 1) Solved Security Vulnerabilities: - perl-Net-DNS denial of service - rsync off-by-one overflow - open-iscsi insecure privileges and credential verification - rug / zen-updater insecure LD_LIBRARY_PATH usage 2) Pending Vulnerabilities, Solutions, and Work-Arounds: - Opera 9.23 - next kernel update 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. - rsync off-by-one overflow Sebastian Krahmer of the SUSE Security Team found a off-by-one buffer overflow within the f_name() function of rsync. It is not clear if this problem can be exploited. This problem has been fixed for all SUSE Linux based distributions and CVE-2007-4091 has been assigned to this issue. - perl-Net-DNS denial of service perl-Net-DNS used sequential IDs for DNS lookups which could cause problem with some programs like spamassassin. It potentially also simplified DNS spoofing attacks against perl-Net-DNS (CVE-2007-3377). Additionally malformed compressed DNS packets could trigger an endless loop in perl-Net-DNS (CVE-2007-3409). These problems have been fixed in all SUSE Linux based products. - open-iscsi insecure privileges and credential verification This update fixes insecure privileges and credential verification with the iscsi daemon. (CVE-2007-3099, CVE-2007-3100) - rug / zen-updater insecure LD_LIBRARY_PATH usage The wrappers scripts for the C# program rug, zen-updater, zen-installer and zen-remover modified LD_LIBRARY_PATH and MONO_GAC_PREFIX insecurely by potentially leaving a empty path in it (same as "."). Exploit-ability is for users or the system administrator running "rug" in unsafe directories owned by a local attacker who could then inject libraries and so execute code. This problem affected SUSE Linux 10.1 and SUSE Linux Enterprise 10 and was fixed for SLE 10 in SP1, and SUSE Linux 10.1 via Online Update this week. ______________________________________________________________________________ 2) Pending Vulnerabilities, Solutions, and Work-Arounds - Opera 9.23 Opera 9.23 was released to fix a critical Javascript vulnerability. We are working on updates for the affected products. - next kernel update A SLE 10 kernel update will be released in the next weeks to catch up on post-Service Pack 1 fixes and current security fixes. A SUSE Linux 10.1 kernel update will be released with the same code base. ______________________________________________________________________________ 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>. 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 <opensuse-security-announce+subscribe@opensuse.org>. ===================================================================== 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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