MITKRB5-SA-2004-001: buffer overflows in krb5_aname_to_localname

[John Hascall]

> -----BEGIN PGP SIGNED MESSAGE-----
>                  MIT krb5 Security Advisory 2004-001
> 2004-06-01
> Topic: buffer overflows in krb5_aname_to_localname
> 
> Only configurations which enable the explicit mapping or rules-based
> mapping functionality of krb5_aname_to_localname() are vulnerable.
> These configurations are not the default.

Ok, how do we know if we have enabled either of these?
Is it a krb5.conf setting or ...?

Thanks,
John