Intrusion Prevention

MIT.Kerberos.GSSAPI.Invalid.Token.DoS

Description

This indicates an attack attempt to exploit a Denial of Service vulnerability in MIT Kerberos.
The vulnerability is due to an NULL pointer dereference error when vulnerable module handles an invalid token inside GSSAPI related packets. A remote attacker may be able to exploit this to cause a denial of service condition on the affected system through injecting an invalid token during a valid session.

Affected Products

MIT Kerberos git prior to fb99962cbd063ac04c9a9

Impact

Denial of Service: Remote attackers can crash vulnerable systems or services

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
https://github.com/krb5/krb5/commit/fb99962cbd063ac04c9a9d2cc7c75eab73f3533d

CVE References

CVE-2014-4342