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Test ID:1.3.6.1.4.1.25623.1.0.71446
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2012:1140
Summary:NOSUMMARY
Description:Description:
The remote host is missing updates announced in
advisory RHSA-2012:1140.

The Dynamic Host Configuration Protocol (DHCP) is a protocol that allows
individual devices on an IP network to get their own network configuration
information, including an IP address, a subnet mask, and a broadcast
address.

A denial of service flaw was found in the way the dhcpd daemon handled
zero-length client identifiers. A remote attacker could use this flaw to
send a specially-crafted request to dhcpd, possibly causing it to enter an
infinite loop and consume an excessive amount of CPU time. (CVE-2012-3571)

Upstream acknowledges Markus Hietava of the Codenomicon CROSS project as
the original reporter of this issue.

Users of DHCP should upgrade to these updated packages, which contain a
backported patch to correct this issue. After installing this update, all
DHCP servers will be restarted automatically.

Solution:
Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

http://rhn.redhat.com/errata/RHSA-2012-1140.html
http://www.isc.org/software/dhcp/advisories/cve-2012-3571

Risk factor : Medium

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2012-3571
BugTraq ID: 54665
http://www.securityfocus.com/bid/54665
Debian Security Information: DSA-2516 (Google Search)
http://www.debian.org/security/2012/dsa-2516
Debian Security Information: DSA-2519 (Google Search)
http://www.debian.org/security/2012/dsa-2519
http://security.gentoo.org/glsa/glsa-201301-06.xml
http://www.mandriva.com/security/advisories?name=MDVSA-2012:115
http://www.mandriva.com/security/advisories?name=MDVSA-2012:116
RedHat Security Advisories: RHSA-2012:1140
http://rhn.redhat.com/errata/RHSA-2012-1140.html
RedHat Security Advisories: RHSA-2012:1141
http://rhn.redhat.com/errata/RHSA-2012-1141.html
SuSE Security Announcement: openSUSE-SU-2012:1006 (Google Search)
http://lists.opensuse.org/opensuse-updates/2012-08/msg00030.html
http://www.ubuntu.com/usn/USN-1519-1
CopyrightCopyright (c) 2012 E-Soft Inc. http://www.securityspace.com

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