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Test ID:1.3.6.1.4.1.25623.1.0.881652
Category:CentOS Local Security Checks
Title:CentOS Update for ruby CESA-2013:0612 centos6
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 discovered that Ruby's REXML library did not properly restrict XML
entity expansion. An attacker could use this flaw to cause a denial of
service by tricking a Ruby application using REXML to read text nodes from
specially-crafted XML content, which will result in REXML consuming large
amounts of system memory. (CVE-2013-1821)

It was found that the RHSA-2011:0910 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.

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 CentOS 6

Solution:
Please install the updated packages.

CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

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-2013-1821
BugTraq ID: 58141
http://www.securityfocus.com/bid/58141
Debian Security Information: DSA-2738 (Google Search)
http://www.debian.org/security/2013/dsa-2738
Debian Security Information: DSA-2809 (Google Search)
http://www.debian.org/security/2013/dsa-2809
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=702525
https://bugzilla.redhat.com/show_bug.cgi?id=914716
http://www.openwall.com/lists/oss-security/2013/03/06/5
RedHat Security Advisories: RHSA-2013:0611
http://rhn.redhat.com/errata/RHSA-2013-0611.html
RedHat Security Advisories: RHSA-2013:1028
http://rhn.redhat.com/errata/RHSA-2013-1028.html
RedHat Security Advisories: RHSA-2013:1147
http://rhn.redhat.com/errata/RHSA-2013-1147.html
http://secunia.com/advisories/52783
http://secunia.com/advisories/52902
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2013&m=slackware-security.426862
SuSE Security Announcement: SUSE-SU-2013:0609 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00001.html
SuSE Security Announcement: SUSE-SU-2013:0647 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00015.html
SuSE Security Announcement: openSUSE-SU-2013:0603 (Google Search)
http://lists.opensuse.org/opensuse-updates/2013-04/msg00034.html
SuSE Security Announcement: openSUSE-SU-2013:0614 (Google Search)
http://lists.opensuse.org/opensuse-updates/2013-04/msg00036.html
http://www.ubuntu.com/usn/USN-1780-1
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
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