82859 : Microsoft .NET Framework Memory Access Function Pointer Handling Memory Corruption
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
6	585	about 1 year ago	5 months ago	15 times	100%

Timeline

Disclosure Date
2012-06-12

Time to Patch
152 days

Description

A memory corruption flaw exists in Microsoft .NET Framework. The framework fails to sanitize user-supplied input when handling function pointers resulting in memory corruption. With a specially crafted web page, a context-dependent attacker can execute arbitrary code.

Classification

Location: Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity
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

Microsoft Corporation	.NET Framework	2.0 SP2
		3.5.1
		4

References

Security Tracker: 1027149
OVAL ID: 14717
CVE ID: 2012-1855 (see also: NVD)
Microsoft Knowledge Base Article: 2686827 2686828 2686830 2686831 2686833 2706726
Secunia Advisory ID: 49418
Other Advisory URL: http://www.zerodayinitiative.com/advisories/ZDI-12-141/
Microsoft Security Bulletin: MS12-038

Credit

Vitaliy Toropov - Zero Day Initiative (ZDI)

CVSSv2 Score

CVSSv2 Base Score = 9.3
Source: nvd.nist.gov | Generated: 2012-06-13 | Disagree?

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