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Gentoo alert 200510-05 (ruby)

From:  Sune Kloppenborg Jeppesen <jaervosz@gentoo.org>
To:  gentoo-announce@gentoo.org
Subject:  [ GLSA 200510-05 ] Ruby: Security bypass vulnerability
Date:  Thu, 6 Oct 2005 16:42:09 +0200
Cc:  bugtraq@securityfocus.com, full-disclosure@lists.grok.org.uk, security-alerts@linuxsecurity.com

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200510-05 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Ruby: Security bypass vulnerability Date: October 06, 2005 Bugs: #106996 ID: 200510-05 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Ruby is vulnerable to a security bypass of the safe level mechanism. Background ========== Ruby is an interpreted scripting language for quick and easy object-oriented programming. Ruby supports the safe execution of untrusted code using a safe level and taint flag mechanism. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-lang/ruby < 1.8.3 >= 1.8.3 Description =========== Dr. Yutaka Oiwa discovered that Ruby fails to properly enforce safe level protections. Impact ====== An attacker could exploit this vulnerability to execute arbitrary code beyond the restrictions specified in each safe level. Workaround ========== There is no known workaround at this time. Resolution ========== All Ruby users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-lang/ruby-1.8.3" References ========== [ 1 ] CAN-2005-2337 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2337 [ 2 ] Ruby release announcement http://www.ruby-lang.org/en/20051003.html Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200510-05.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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