Microsoft Corporation Information for VU#684563

MIT Kerberos V5 allows inter-realm user impersonation by malicious realm controllers with shared keys

Status

Affected

Vendor Statement

We worked with MIT on this issue, and identified that in a very limited and specific situation we possess this flaw in our implementation of Kerberos.

We have written a fix that will address such a situation, and checked it into the next service pack.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Vendor References

None

Addendum

The CERT/CC has no additional comments at this time.

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