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Test ID:1.3.6.1.4.1.25623.1.0.870876
Category:Red Hat Local Security Checks
Title:RedHat Update for ruby RHSA-2013:0129-01
Summary:The remote host is missing an update for the 'ruby'; package(s) announced via the referenced advisory.
Description:Summary:
The remote host is missing an update for the 'ruby'
package(s) announced via the referenced advisory.

Vulnerability Insight:
Ruby is an extensible, interpreted, object-oriented, scripting language. It
has features to process text files and to do system management tasks.

It was found that certain methods did not sanitize file names before
passing them to lower layer routines in Ruby. If a Ruby application created
files with names based on untrusted input, it could result in the creation
of files with different names than expected. (CVE-2012-4522)

It was found that the RHSA-2011:0909 update did not correctly fix the
CVE-2011-1005 issue, a flaw 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 (tainted)
code to modify arbitrary, trusted (untainted) strings, which safe level 4
restrictions would otherwise prevent. (CVE-2012-4481)

The CVE-2012-4481 issue was discovered by Vit Ondruch of Red Hat.

This update also fixes the following bug:

* Prior to this update, the 'rb_syck_mktime' option could, under certain
circumstances, terminate with a segmentation fault when installing
libraries with certain gems. This update modifies the underlying code so
that Ruby gems can be installed as expected. (BZ#834381)

All users of Ruby are advised to upgrade to these updated packages, which
contain backported patches to resolve these issues.

Affected Software/OS:
ruby on Red Hat Enterprise Linux (v. 5 server)

Solution:
Please Install the Updated Packages.

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-2012-4481
http://www.mandriva.com/security/advisories?name=MDVSA-2013:124
http://www.openwall.com/lists/oss-security/2012/10/05/4
RedHat Security Advisories: RHSA-2013:0129
http://rhn.redhat.com/errata/RHSA-2013-0129.html
RedHat Security Advisories: RHSA-2013:0612
http://rhn.redhat.com/errata/RHSA-2013-0612.html
Common Vulnerability Exposure (CVE) ID: CVE-2012-4522
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090235.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/090515.html
http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=37163
http://www.openwall.com/lists/oss-security/2012/10/12/6
http://www.openwall.com/lists/oss-security/2012/10/13/1
http://www.openwall.com/lists/oss-security/2012/10/16/1
Common Vulnerability Exposure (CVE) ID: CVE-2011-1005
http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
BugTraq ID: 46458
http://www.securityfocus.com/bid/46458
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054422.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054436.html
http://www.mandriva.com/security/advisories?name=MDVSA-2011:097
http://www.mandriva.com/security/advisories?name=MDVSA-2011:098
http://www.openwall.com/lists/oss-security/2011/02/21/2
http://www.openwall.com/lists/oss-security/2011/02/21/5
http://osvdb.org/70957
http://www.redhat.com/support/errata/RHSA-2011-0908.html
http://www.redhat.com/support/errata/RHSA-2011-0909.html
http://www.redhat.com/support/errata/RHSA-2011-0910.html
http://secunia.com/advisories/43420
http://secunia.com/advisories/43573
http://www.vupen.com/english/advisories/2011/0539
CopyrightCopyright (c) 2013 Greenbone Networks GmbH

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