Summary
The host is installed with Microsoft .NET Framework and is prone to security bypass vulnerability
This NVT has been replaced by NVT secpod_ms11-044.nasl (OID:1.3.6.1.4.1.25623.1.0.902522).
Impact
Successful exploitation could allow context-dependent attackers to bypass intended access restrictions.
Impact Level: System/Application
Solution
Upgrade to Microsoft .NET Framework version 4 beta 2 or later.
For updates refer to http://www.microsoft.com/net/download.aspx
Insight
The flaw is due to an error in the JIT compiler, when 'IsJITOptimizerDisabled' is set to false, fails to handle expressions related to null strings, which allows context-dependent attackers to bypass intended access restrictions in opportunistic circumstances by leveraging a crafted application.
Affected
Microsoft .NET Framework versions before 4 beta 2.
References
Severity
Classification
-
CVE CVE-2011-1271 -
CVSS Base Score: 5.1
AV:N/AC:H/Au:N/C:P/I:P/A:P
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