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CentOS Update for dhclient CESA-2009:1154 centos3 i386
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'dhclient' package(s) announced via the referenced advisory.
Insight
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 address. The Mandriva Linux Engineering Team discovered a stack-based buffer overflow flaw in the ISC DHCP client. If the DHCP client were to receive a malicious DHCP response, it could crash or execute arbitrary code with the permissions of the client (root). (CVE-2009-0692) An insecure temporary file use flaw was discovered in the DHCP daemon's init script ('/etc/init.d/dhcpd'). A local attacker could use this flaw to overwrite an arbitrary file with the output of the 'dhcpd -t' command via a symbolic link attack, if a system administrator executed the DHCP init script with the 'configtest', &'restart', or 'reload' option. (CVE-2009-1893) Users of DHCP should upgrade to these updated packages, which contain backported patches to correct these issues.
Affected Software
Affected Software
dhclient on CentOS 3
Solution
Solution
Please install the updated packages.