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OVAL

CESA-2011:0909 -- centos 5 i386 ruby

ID: oval:org.secpod.oval:def:201500Date: (C)2012-01-31   (M)2023-08-07
Class: PATCHFamily: unix




Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to do system management tasks. A flaw was found in the way large amounts of memory were allocated on 64-bit systems when using the BigDecimal class. A context-dependent attacker could use this flaw to cause memory corruption, causing a Ruby application that uses the BigDecimal class to crash or, possibly, execute arbitrary code. This issue did not affect 32-bit systems. A race condition flaw was found in the remove system entries method in the FileUtils module. If a local user ran a Ruby script that uses this method, a local attacker could use this flaw to delete arbitrary files and directories accessible to that user via a symbolic link attack. It was found that WEBrick did not filter terminal escape sequences from its log files. A remote attacker could use specially-crafted HTTP requests to inject terminal escape sequences into the WEBrick log files. If a victim viewed the log files with a terminal emulator, it could result in control characters being executed with the privileges of that user. A cross-site scripting flaw was found in the way WEBrick displayed error pages. A remote attacker could use this flaw to perform a cross-site scripting attack against victims by tricking them into visiting a specially-crafted URL. A flaw was found in the method for translating an exception message into a string in the Exception class. A remote attacker could use this flaw to bypass safe level 4 restrictions, allowing untrusted code to modify arbitrary, trusted strings, which safe level 4 restrictions would otherwise prevent. Red Hat would like to thank Drew Yao of Apple Product Security for reporting the CVE-2011-0188 and CVE-2010-0541 issues. All Ruby users should upgrade to these updated packages, which contain backported patches to resolve these issues.

Platform:
CentOS 5
Product:
ruby
Reference:
CESA-2011:0909
CVE-2009-4492
CVE-2010-0541
CVE-2011-0188
CVE-2011-1004
CVE-2011-1005
CVE    5
CVE-2011-1005
CVE-2011-1004
CVE-2009-4492
CVE-2010-0541
...
CPE    2
cpe:/a:ruby:ruby
cpe:/o:centos:centos:5

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