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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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