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The remote Oracle Linux host is missing one or more security updates.
From Red Hat Security Advisory 2011:0256 :
Updated dhcp packages that fix one security issue are now available
for Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having
moderate security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from
the CVE link in the References section.
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
A flaw was found in the way the dhcpd daemon processed certain DHCPv6
messages for addresses that had previously been declined and marked as
abandoned internally. If a remote attacker sent such messages to
dhcpd, it could cause dhcpd to crash due to an assertion failure if it
was running as a DHCPv6 server. (CVE-2011-0413)
Red Hat would like to thank Internet Systems Consortium for reporting
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
See also :
Update the affected dhcp packages.
Risk factor :
High / CVSS Base Score : 7.8
CVSS Temporal Score : 6.8
Public Exploit Available : true
Family: Oracle Linux Local Security Checks
Nessus Plugin ID: 68198 ()
Bugtraq ID: 46035
CVE ID: CVE-2011-0413
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