Wei Wang discovered that the krb5 RPC library did not correctly handle certain error conditions. A remote attacker could cause kadmind to free an uninitialized pointer, leading to a denial of service or possibly execution of arbitrary code with root privileges. (CVE-2007-2442)
Wei Wang discovered that the krb5 RPC library did not correctly check the size of certain communications. A remote attacker could send a specially crafted request to kadmind and execute arbitrary code with root privileges. (CVE-2007-2443)
27 June 2007
A security issue affects these releases of Ubuntu and its derivatives:
Wei Wang discovered that the krb5 RPC library did not correctly handle certain error conditions. A remote attacker could cause kadmind to free an uninitialized pointer, leading to a denial of service or possibly execution of arbitrary code with root privileges. (CVE-2007-2442)
Wei Wang discovered that the krb5 RPC library did not correctly check the size of certain communications. A remote attacker could send a specially crafted request to kadmind and execute arbitrary code with root privileges. (CVE-2007-2443)
It was discovered that the kadmind service could be made to overflow its stack. A remote attacker could send a specially crafted request and execute arbitrary code with root privileges. (CVE-2007-2798)
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