The MITRE CVE dictionary describes this issue as:
The (1) krshd and (2) v4rcp applications in (a) MIT Kerberos 5 (krb5) up to 1.5, and 1.4.x before 1.4.4, when running on Linux and AIX, and (b) Heimdal 0.7.2 and earlier, do not check return codes for setuid calls, which allows local users to gain privileges by causing setuid to fail to drop privileges using attacks such as resource exhaustion.
Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.
Red Hat security errata
|Red Hat Enterprise Linux version 4 (krb5)||RHSA-2006:0612||August 08, 2006|
This page is generated automatically and has not been checked for errors or omissions.
For clarification or corrections please contact the Red Hat Security Response Team.