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TITLE:
SSSD Kerberos Authentication Security Bypass

SECUNIA ADVISORY ID:
SA38160

VERIFY ADVISORY:
http://secunia.com/advisories/38160/

DESCRIPTION:
A vulnerability has been reported in SSSD, which can be exploited by
malicious people to bypass certain security restrictions.

The vulnerability is caused due to SSSD accepting any password if
it's configured to use Kerberos for authentication, but the
configured KDC can't be reached and the user who is trying to
authenticate has a valid cached TGT for the Kerberos realm.

The vulnerability is reported in versions prior to 1.0.1.

SOLUTION:
Update to version 1.0.1.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
https://fedorahosted.org/sssd/wiki/Releases/Notes-1.0.1#Highlights

OTHER REFERENCES:
https://bugzilla.redhat.com/show_bug.cgi?id=553233

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