The server-side portion of Kerberos’ RPC library had a memory management flaw which allowed users of that library to call a function pointer located in unallocated memory. By doing specially crafted calls to the kadmind server, a remote attacker could exploit this to execute arbitrary code with root privileges on the target computer.
The problem can be corrected by updating your system to the following package versions:
16 January 2007
A security issue affects these releases of Ubuntu and its derivatives:
The server-side portion of Kerberos’ RPC library had a memory management flaw which allowed users of that library to call a function pointer located in unallocated memory. By doing specially crafted calls to the kadmind server, a remote attacker could exploit this to execute arbitrary code with root privileges on the target computer.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system upgrade is sufficient to effect the necessary changes.
Vulmon