Dynamic Host Configuration Protocol (DHCP): Moderate Security Update

Users of Dynamic Host Configuration Protocol (DHCP) please be advised of a Moderate Security Update that has been identified.

To view this vulnerability, possible remedies, and others please check out the Security Advisories at Critical Watch (http://criticalwatch.com/support/security-advisories.aspx)

Amplify’d from www.criticalwatch.com

RHSA-2010:0923-01: [RHSA-2010:0923-01] Moderate: dhcp security update

Product: Red Hat Enterprise Linux

Synopsis: Moderate: dhcp security update

Description: 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. DHCPv6 is the DHCP protocol version for IPv6 networks. A NULL pointer dereference flaw was discovered in the way the dhcpd daemon parsed DHCPv6 packets. A remote attacker could use this flaw to crash dhcpd via a specially-crafted DHCPv6 packet, if dhcpd was running as a DHCPv6 server. (CVE-2010-3611) Users running dhcpd as a DHCPv6 server 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.

Read more at www.criticalwatch.com

 

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