Heimdal: Kerberos 4 buffer overflow in kadmin

Heimdal: Kerberos 4 buffer overflow in kadmin A possible buffer overflow in the Kerberos 4 component of Heimdal has been discovered. Heimdal 2004-05-27 2004-05-27 50208 remote 0.6.2 0.6.2

Heimdal is a free implementation of Kerberos.

A buffer overflow was discovered in kadmind, a server for administrative access to the Kerberos database.

By sending a specially formatted message to kadmind, a remote attacker may be able to crash kadmind causing a denial of service, or execute arbitrary code with the permissions of the kadmind process.

For a temporary workaround, providing you do not require Kerberos 4 support, you may turn off Kerberos 4 kadmin by running kadmind with the --no-kerberos4 option.

All Heimdal users should upgrade to the latest stable version:


    # emerge sync

    # emerge -pv ">=app-crypt/heimdal-0.6.2"
    # emerge ">=app-crypt/heimdal-0.6.2"

Heimdal 0.6.2 Release Notice CAN-2004-0434 jaervosz