Test ID:	1.3.6.1.4.1.25623.1.0.801760
Category:	General
Title:	Ruby '#to_s' Security Bypass Vulnerability
Summary:	Ruby is prone to a security bypass vulnerability.
Description:	Summary: Ruby is prone to a security bypass vulnerability. Vulnerability Insight: The flaw is due to the error in 'Exception#to_s' method, which trick safe level mechanism and destructively modifies an untaitned string to be tainted. Vulnerability Impact: Successful exploitation allows attackers to bypass certain security restrictions and perform unauthorized actions. Affected Software/OS: Ruby version 1.8.6 through 1.8.6 patchlevel 420 Ruby version 1.8.7 through 1.8.7 patchlevel 330 Ruby version 1.8.8dev Solution: Upgrade to Ruby version 1.8.7-334 or later. CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2011-1005 43420 http://secunia.com/advisories/43420 43573 http://secunia.com/advisories/43573 46458 http://www.securityfocus.com/bid/46458 70957 http://osvdb.org/70957 ADV-2011-0539 http://www.vupen.com/english/advisories/2011/0539 APPLE-SA-2012-05-09-1 http://lists.apple.com/archives/security-announce/2012/May/msg00001.html FEDORA-2011-1876 http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054422.html FEDORA-2011-1913 http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054436.html MDVSA-2011:097 http://www.mandriva.com/security/advisories?name=MDVSA-2011:097 MDVSA-2011:098 http://www.mandriva.com/security/advisories?name=MDVSA-2011:098 RHSA-2011:0908 http://www.redhat.com/support/errata/RHSA-2011-0908.html RHSA-2011:0909 http://www.redhat.com/support/errata/RHSA-2011-0909.html RHSA-2011:0910 http://www.redhat.com/support/errata/RHSA-2011-0910.html [oss-security] 20110221 CVE request: ruby: FileUtils is vulnerable to symlink race attacks + Exception methods can bypass $SAFE http://www.openwall.com/lists/oss-security/2011/02/21/2 [oss-security] 20110221 Re: CVE request: ruby: FileUtils is vulnerable to symlink race attacks + Exception methods can bypass $SAFE http://www.openwall.com/lists/oss-security/2011/02/21/5 http://support.apple.com/kb/HT5281 http://www.ruby-lang.org/en/news/2011/02/18/exception-methods-can-bypass-safe/ https://bugzilla.redhat.com/show_bug.cgi?id=678920
Copyright	Copyright (C) 2011 Greenbone AG

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