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Gentoo alert 200503-20 (curl)

From:  Sune Kloppenborg Jeppesen <jaervosz@gentoo.org>
To:  gentoo-announce@robin.gentoo.org
Subject:  [gentoo-announce] [ GLSA 200503-20 ] curl: NTLM response buffer overflow
Date:  Wed, 16 Mar 2005 17:32:02 +0100
Cc:  bugtraq@securityfocus.com, full-disclosure@lists.grok.org.uk, security-alerts@linuxsecurity.com

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200503-20 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: curl: NTLM response buffer overflow Date: March 16, 2005 Bugs: #82534 ID: 200503-20 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== curl is vulnerable to a buffer overflow which could lead to the execution of arbitrary code. Background ========== curl is a command line tool for transferring files via many different protocols. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/curl < 7.13.1 >= 7.13.1 Description =========== curl fails to properly check boundaries when handling NTLM authentication. Impact ====== With a malicious server an attacker could send a carefully crafted NTLM response to a connecting client leading to the execution of arbitrary code with the permissions of the user running curl. Workaround ========== Disable NTLM authentication by not using the --anyauth or --ntlm options. Resolution ========== All curl users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/curl-7.13.1" References ========== [ 1 ] CAN-2005-0490 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0490 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200503-20.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@gentoo.org or alternatively, you may file a bug at http://bugs.gentoo.org. License ======= Copyright 2005 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. http://creativecommons.org/licenses/by-sa/2.0


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