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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Update for dhcp RHSA-2012:1141-01
Summary:The remote host is missing an update for the 'dhcp'; package(s) announced via the referenced advisory.
The remote host is missing an update for the 'dhcp'
package(s) announced via the referenced advisory.

Vulnerability Insight:
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

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)

Two memory leak flaws were found in the dhcpd daemon. A remote attacker
could use these flaws to cause dhcpd to exhaust all available memory by
sending a large number of DHCP requests. (CVE-2012-3954)

Upstream acknowledges Markus Hietava of the Codenomicon CROSS project as
the original reporter of CVE-2012-3571, and Glen Eustace of Massey
University, New Zealand, as the original reporter of CVE-2012-3954.

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

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

Please Install the Updated Packages.

CVSS Score:

CVSS Vector:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2012-3571
BugTraq ID: 54665
Debian Security Information: DSA-2516 (Google Search)
Debian Security Information: DSA-2519 (Google Search)
RedHat Security Advisories: RHSA-2012:1140
RedHat Security Advisories: RHSA-2012:1141
SuSE Security Announcement: openSUSE-SU-2012:1006 (Google Search)
Common Vulnerability Exposure (CVE) ID: CVE-2012-3954
CopyrightCopyright (c) 2012 Greenbone Networks GmbH

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