TITLE:
jCIFS Arbitrary Username Authentication Security Issue

SECUNIA ADVISORY ID:
SA11791

VERIFY ADVISORY:
http://secunia.com/advisories/11791/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
>From local network

SOFTWARE:
jCIFS 0.x

DESCRIPTION:
A security issue has been discovered in jCIFS, which allows a
malicious person to authenticate with an invalid username.

The problem is that it is possible to authenticate with any username
if the "guest" account is enabled on a CIFS server.

SOLUTION:
Update to version 0.9.1 or later.
http://jcifs.samba.org/src/

Disable the "guest" account.

PROVIDED AND/OR DISCOVERED BY:
Reported by vendor.

ORIGINAL ADVISORY:
http://jcifs.samba.org/

OTHER REFERENCES:
OSVDB:
http://www.osvdb.org/6651

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