Microsoft .NET Framework up to SP2 Array input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

A vulnerability was found in Microsoft .NET Framework up to SP2 (Programming Language Software) and classified as critical. Affected by this issue is some unknown functionality of the component Array Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Microsoft .NET Framework 2.0 SP1 and SP2, 3.5 Gold and SP1, 3.5.1, and 4.0, and Silverlight 4 before 4.0.60531.0, does not properly validate arguments to unspecified networking API functions, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (aka XBAP), (2) a crafted ASP.NET application, (3) a crafted .NET Framework application, or (4) a crafted Silverlight application, aka ".NET Framework Array Offset Vulnerability."

The weakness was published 06/14/2011 by Michael J. Liu as MS11-039 as confirmed bulletin (Technet). The advisory is available at microsoft.com. This vulnerability is handled as CVE-2011-0664 since 01/28/2011. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 55119 (MS11-039: Vulnerability in .NET Framework and Microsoft Silverlight Could Allow Remote Code Execution (2514842)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins.

Upgrading eliminates this vulnerability. Applying the patch MS11-039 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 11331.

The vulnerability is also documented in the databases at X-Force (67753) and Tenable (55119).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 55119
Nessus Name: MS11-039: Vulnerability in .NET Framework and Microsoft Silverlight Could Allow Remote Code Execution (2514842)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902523
OpenVAS Name: Microsoft .NET Framework and Silverlight Remote Code Execution Vulnerability (2514842)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS11-039
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

01/28/2011 🔍
06/14/2011 +137 days 🔍
06/14/2011 +0 days 🔍
06/14/2011 +0 days 🔍
06/14/2011 +0 days 🔍
06/14/2011 +0 days 🔍
06/15/2011 +1 days 🔍
06/15/2011 +0 days 🔍
06/16/2011 +1 days 🔍
06/20/2011 +4 days 🔍
03/19/2021 +3560 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS11-039
Researcher: Michael J. Liu
Status: Confirmed

CVE: CVE-2011-0664 (🔍)
OVAL: 🔍

X-Force: 67753
Vulnerability Center: 31769 - [MS11-039] Microsoft .NET Framework and Microsoft Silverlight Remote Memory Corruption Vulnerability, Medium
SecurityFocus: 48212 - Microsoft Silverlight & .NET Framework Invalid Array Offset Remote Code Execution Vulnerability
Secunia: 44841 - Microsoft .NET Framework / Silverlight Array Offset Vulnerability, Highly Critical

Entryinfo

Created: 06/20/2011 02:00
Updated: 03/19/2021 11:42
Changes: 06/20/2011 02:00 (78), 04/05/2017 15:07 (11), 03/19/2021 11:42 (3)
Complete: 🔍

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