The MITRE CVE dictionary describes this issue as:
The krb5-send-pr script in the kerberos5 (krb5) package in Trustix Secure Linux 1.5 through 2.1, and possibly other operating systems, allows local users to overwrite files via a symlink attack on temporary files.
Find out more about CVE-2004-0971 from the
MITRE CVE dictionary dictionary and
Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.