CVE-2006-3084

The (1) ftpd and (2) ksu programs in (a) MIT Kerberos 5 (krb5) up to 1.5,
and 1.4.x before 1.4.4, and (b) Heimdal 0.7.2 and earlier, do not check
return codes for setuid calls, which might allow local users to gain
privileges by causing setuid to fail to drop privileges. NOTE: as of
20060808, it is not known whether an exploitable attack scenario exists for
these issues.