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Gentoo alert 201202-08 (stunnel)

From:  Stefan Behte <craig@gentoo.org>
To:  gentoo-announce@gentoo.org
Subject:  [gentoo-announce] [ GLSA 201202-08 ] stunnel: Arbitrary code execution
Date:  Wed, 29 Feb 2012 18:23:48 +0100
Message-ID:  <4F4E5F24.4060304@gentoo.org>
Archive-link:  Article, Thread

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201202-08 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: stunnel: Arbitrary code execution Date: February 29, 2012 Bugs: #379859 ID: 201202-08 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A vulnerability was found in stunnel, allowing remote attackers to cause a Denial of Service and potentially arbitrary code execution. Background ========== The stunnel program is designed to work as an SSL encryption wrapper between a client and a local or remote server. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/stunnel < 4.44 >= 4.44 Description =========== An unspecified heap vulnerability was discovered in stunnel. Impact ====== The vulnerability may possibly be leveraged to perform remote code execution or a Denial of Service attack. Workaround ========== There is no known workaround at this time. Resolution ========== All stunnel users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/stunnel-4.44" References ========== [ 1 ] CVE-2011-2940 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2940 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201202-08.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 https://bugs.gentoo.org. License ======= Copyright 2012 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/2.5


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