This script is Copyright (C) 2011-2015 Tenable Network Security, Inc.
The remote implementation of Kerberos is affected by one or more
The implementation of Kerberos on the remote Windows host is affected
by one or more vulnerabilities :
- Microsoft's Kerberos implementation uses a weak hashing
mechanism, which can allow for certain aspects of a
Kerberos service ticket to be forged. Note that this is
not exploitable on domains where the domain controllers
are running Windows Server 2008 or Windows Server 2008
- An attacker can force a downgrade in Kerberos
communication between a client and server to a weaker
encryption standard than negotiated originally by means
of a man-in-the-middle attack because Windows does not
correctly enforce the stronger default encryption
standards included in Windows 7 and Windows Server 2008
R2. Note that this issue only affects implementations
of Kerberos on Windows 7 and Windows Server 2008 R2.
See also :
Microsoft has released a set of patches for Windows XP, 2003, 7, and
Risk factor :
High / CVSS Base Score : 7.2
CVSS Temporal Score : 5.3
Public Exploit Available : false
Family: Windows : Microsoft Bulletins
Nessus Plugin ID: 51913 ()
Bugtraq ID: 4613046140
CVE ID: CVE-2011-0043CVE-2011-0091
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