74404 : Microsoft .NET Framework System.Net.Sockets Code Access Security Bypass Information Disclosure
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Timeline

Disclosure Date
2011-08-09

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2011-1978" target="_blank">CVE</a>)</em> : Microsoft .NET Framework 2.0 SP2, 3.5.1, and 4 does not properly validate the System.Net.Sockets trust level, which allows remote attackers to obtain sensitive information or trigger arbitrary outbound network traffic via (1) a crafted XAML browser application (aka XBAP), (2) a crafted ASP.NET application, or (3) a crafted .NET Framework application, aka "Socket Restriction Bypass Vulnerability."

Classification

Location: Remote / Network Access, Context Dependent
Attack Type: Information Disclosure
Impact: Loss of Confidentiality
Solution: Patch / RCS
Exploit: Exploit Private
Disclosure: Vendor Verified, Coordinated Disclosure
OSVDB: Web Related

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability. Check the Microsoft Security Bulletin in the references section.

Products

Unknown or Incomplete

References

CVE ID: 2011-1978 (see also: NVD)
Microsoft Knowledge Base Article: 2539631 2539633 2539634 2539635 2539636 2567951
Secunia Advisory ID: 45517
Bugtraq ID: 48991
Microsoft Security Bulletin: MS11-069

Tools & Filters

	55799

Credit

Michael J. Liu

CVSSv2 Score

CVSSv2 Base Score = 5.8
Source: nvd.nist.gov | Generated: 2011-08-11 | Disagree? | There are 1 more: View All

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