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SecurityAlert : 59 CVE : CVE-2005-2337 SecurityRisk : Medium  (About) Remote Exploit : Yes Local Exploit : No Exploit Available : No Credit : Sune Kloppenborg Jeppesen Published : 06.10.2005
Advisory Content : - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 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 (at) gentoo (dot) org [email concealed] 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  Feedback : If you have additional information or notice any errors regarding this security advisory, please use contact form or email us at info()securityreason()com. |
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