Ubuntu Security Notice 3353-4 - USN-3353-1 fixed a vulnerability in Heimdal. This update provides the corresponding update for Samba. Jeffrey Altman, Viktor Dukhovni, and Nicolas Williams discovered that Samba clients incorrectly trusted unauthenticated portions of Kerberos tickets. A remote attacker could use this to impersonate trusted network services or perform other attacks. Various other issues were also addressed.
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