krb5: incorrect acceptance of certain checksums (MITKRB5-SA-2010-007)

MIT Kerberos 5 aka krb5 1.3.x, 1.4.x, 1.5.x, 1.6.x, 1.7.x, and 1.8.x through 1.8.3 does not properly determine the acceptability of checksums, which might allow remote attackers to modify user-visible prompt text, modify a response to a Key Distribution Center KDC, or forge a KRB-SAFE message via...