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Test ID:1.3.6.1.4.1.25623.1.0.870672
Category:Red Hat Local Security Checks
Title:RedHat Update for ruby RHSA-2011:0910-01
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.

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. (CVE-2011-0188)

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.
(CVE-2011-1004)

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 (tainted) code to
modify arbitrary, trusted (untainted) strings, which safe level 4
restrictions would otherwise prevent. (CVE-2011-1005)

Red Hat would like to thank Drew Yao of Apple Product Security for
reporting the CVE-2011-0188 issue.

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

Affected Software/OS:
ruby on Red Hat Enterprise Linux Desktop (v. 6),
Red Hat Enterprise Linux Server (v. 6),
Red Hat Enterprise Linux Workstation (v. 6)

Solution:
Please Install the Updated Packages.

CVSS Score:
6.8

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2011-0188
http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
http://www.mandriva.com/security/advisories?name=MDVSA-2011:097
http://www.mandriva.com/security/advisories?name=MDVSA-2011:098
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://www.securitytracker.com/id?1025236
Common Vulnerability Exposure (CVE) ID: CVE-2011-1004
http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
BugTraq ID: 46460
http://www.securityfocus.com/bid/46460
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054422.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054436.html
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/70958
http://secunia.com/advisories/43434
http://secunia.com/advisories/43573
http://www.vupen.com/english/advisories/2011/0539
Common Vulnerability Exposure (CVE) ID: CVE-2011-1005
BugTraq ID: 46458
http://www.securityfocus.com/bid/46458
http://osvdb.org/70957
http://secunia.com/advisories/43420
CopyrightCopyright (c) 2012 Greenbone Networks GmbH

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