KDC DoS in cross-realm referral processing

Published: 2009-12-30
Last Updated: 2009-12-30 00:34:31 UTC
by Guy Bruneau (Version: 1)
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If you are currently using MIT krb5 release krb5-1.7, a null pointer dereference has been reported where an unauthenticated remote attacker could cause the KDC to crash (DoS). This is not a vulnerability in the Kerberos protocol. A patch and a workaround has been made available here.

Guy Bruneau IPSS Inc. gbruneau at isc dot sans dot org

Keywords: Kerberos KDC DoS
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