CVE-2002-2443 Information

Description

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.

Reference

http://krbdev.mit.edu/rt/Ticket/Display.html?id=7637 http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105879.html http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105978.html http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106698.html http://lists.opensuse.org/opensuse-updates/2013-07/msg00004.html http://lists.opensuse.org/opensuse-updates/2013-07/msg00007.html http://rhn.redhat.com/errata/RHSA-2013-0942.html http://www.debian.org/security/2013/dsa-2701 http://www.mandriva.com/security/advisories?name=MDVSA-2013:166 http://www.ubuntu.com/usn/USN-2810-1 https://bugzilla.redhat.com/show_bug.cgi?id=962531 https://github.com/krb5/krb5/commit/cf1a0c411b2668c57c41e9c4efd15ba17b6b322c