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Message-ID: <20040610195625.GU9639@mail.lieber.org> From: klieber at gentoo.org (Kurt Lieber) Subject: [ GLSA 200406-06 ] CVS: additional DoS and arbitrary code execution vulnerabilities - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200406-06 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: High Title: CVS: additional DoS and arbitrary code execution vulnerabilities Date: June 10, 2004 Bugs: #53408 ID: 200406-06 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Several serious new vulnerabilities have been found in CVS, which may allow an attacker to remotely compromise a CVS server. Background ========== CVS (Concurrent Versions System) is an open-source network-transparent version control system. It contains both a client utility and a server. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-util/cvs <= 1.11.16-r1 >= 1.11.17 Description =========== A team audit of the CVS source code performed by Stefan Esser and Sebastian Krahmer resulted in the discovery of several remotely exploitable vulnerabilities including: * no-null-termination of "Entry" lines * error_prog_name "double-free()" * Argument integer overflow * serve_notify() out of bounds writes Impact ====== An attacker could use these vulnerabilities to cause a Denial of Service or execute arbitrary code with the permissions of the user running cvs. Workaround ========== There is no known workaround at this time. All users are advised to upgrade to the latest available version of CVS. Resolution ========== All CVS users should upgrade to the latest stable version: # emerge sync # emerge -pv ">=dev-util/cvs-1.11.17" # emerge ">=dev-util/cvs-1.11.17" References ========== [ 1 ] E-matters Advisory 09/2004 http://security.e-matters.de/advisories/092004.html [ 2 ] CAN-2004-0414 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0414 [ 3 ] CAN-2004-0416 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0416 [ 4 ] CAN-2004-0417 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0417 [ 5 ] CAN-2004-0418 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0418 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200406-06.xml Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@...too.org or alternatively, you may file a bug at http://bugs.gentoo.org. License ======= Copyright 2004 Gentoo Technologies, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. http://creativecommons.org/licenses/by-sa/1.0 -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 189 bytes Desc: not available Url : http://lists.grok.org.uk/pipermail/full-disclosure/attachments/20040610/1019c44a/attachment.bin
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