krb5 -- UDP ping-pong vulnerability in the kpasswd (password changing) service. [CVE-2002-2443]

No advisory has been released yet.

schpw.c in the kpasswd service in kadmind in MIT Kerberos 5
(aka krb5) before 1.11.3 does not properly validate UDP packets
before sending responses, which allows remote attackers to cause
a denial of service (CPU and bandwidth consumption) via a forged
packet that triggers a communication loop, as demonstrated by
krb_pingpong.nasl, a related issue to CVE-1999-0103.
[CVE-2002-2443].