- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200411-21 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Samba: Remote Denial of Service Date: November 11, 2004 Bugs: #70429 ID: 200411-21 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== An input validation flaw in Samba may allow a remote attacker to cause a Denial of Service by excessive consumption of CPU cycles. Background ========== Samba is a freely available SMB/CIFS implementation which allows seamless interoperability of file and print services to other SMB/CIFS clients. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-fs/samba < 3.0.8 >= 3.0.8 < 3.0 Description =========== An input validation flaw exists in ms_fnmatch.c when matching filenames that contain wildcards. Impact ====== A remote attacker may be able to cause an abnormal consumption of CPU resources, resulting in slower performance of the server or even a Denial of Service. Workaround ========== There is no known workaround at this time. Resolution ========== All Samba users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-fs/samba-3.0.8" References ========== [ 1 ] Samba Security Announcement http://www.samba.org/samba/security/CAN-2004-0930.html [ 2 ] CAN-2004-0930 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0930 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200411-21.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@xxxxxxxxxx or alternatively, you may file a bug at http://bugs.gentoo.org. License ======= Copyright 2004 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
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