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[Full-disclosure] [ GLSA 200906-02 ] Ruby: Denial of Service

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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200906-02 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Ruby: Denial of Service Date: June 28, 2009 Bugs: #273213 ID: 200906-02 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A flaw in the Ruby standard library might allow remote attackers to cause a Denial of Service attack. Background ========== Ruby is an interpreted object-oriented programming language. The elaborate standard library includes the "BigDecimal" class. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-lang/ruby < 1.8.6_p369 >= 1.8.6_p369 Description =========== Tadayoshi Funaba reported that BigDecimal in ext/bigdecimal/bigdecimal.c does not properly handle string arguments containing overly long numbers. Impact ====== A remote attacker could exploit this issue to remotely cause a Denial of Service attack. 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-1.8.6_p369" References ========== [ 1 ] CVE-2009-1904 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1904 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200906-02.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 2009 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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