USN-1108-1: DHCP vulnerability
11 April 2011
An attacker's DHCP server could send crafted responses to your computer and cause it to run programs as root.
Releases
Packages
- dhcp3 - DHCP Client
Details
Sebastian Krahmer discovered that the dhclient utility incorrectly filtered
crafted responses. An attacker could use this flaw with a malicious DHCP
server to execute arbitrary code, resulting in root privilege escalation.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 9.10
Ubuntu 8.04
Ubuntu 6.06
Ubuntu 10.10
Ubuntu 10.04
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-1108-2: dhcp3, dhcp3-client