Microsoft Silverlight up to 4.1.10111.0 XAML Glyph Render resource management

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Microsoft Silverlight. The affected element is an unknown function of the component XAML Glyph Render. The manipulation leads to resource management. This vulnerability is listed as CVE-2012-0176. In addition, an exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Microsoft Silverlight (Multimedia Player Software). It has been rated as problematic. This issue affects an unknown functionality of the component XAML Glyph Render. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Double free vulnerability in Microsoft Silverlight 4 before 4.1.10329 on Windows allows remote attackers to execute arbitrary code via vectors involving crafted XAML glyphs, aka "Silverlight Double-Free Vulnerability."

The weakness was presented 05/08/2012 by Alex Plaskett with MWR Labs/InfoSecurity as ms12-034 as confirmed knowledge base article (Website) via Microsoft. It is possible to read the advisory at technet.microsoft.com. The public release was coordinated in cooperation with Microsoft. The identification of this vulnerability is CVE-2012-0176 since 12/13/2011. The attack may be initiated remotely. The successful exploitation needs a simple authentication. Technical details are unknown but a private exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 59045 (MS12-034: Combined Security Update for Microsoft Office, Windows, .NET Framework, and Silverlight (2681578) (Mac OS X)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90803 (Microsoft Combined Security Update for Microsoft Office, Windows, .NET Framework and Silverlight (MS12-034)).

Applying the patch MS12-MAY is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (75135), Tenable (59045), SecurityFocus (BID 53360†), OSVDB (81718†) and Secunia (SA49122†). See VDB-4436, VDB-5357, VDB-5358 and VDB-5359 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.5

VulDB Base Score: 6.3
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Unproven

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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 59045
Nessus Name: MS12-034: Combined Security Update for Microsoft Office, Windows, .NET Framework, and Silverlight (2681578) (Mac OS X)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902832
OpenVAS Name: MS Security Update For Microsoft Office, .NET Framework, and Silverlight (2681578)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS12-MAY
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

12/13/2011 🔍
05/08/2012 +147 days 🔍
05/08/2012 +0 days 🔍
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05/08/2012 +0 days 🔍
05/08/2012 +0 days 🔍
05/09/2012 +1 days 🔍
05/11/2012 +2 days 🔍
03/24/2021 +3239 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: ms12-034
Researcher: Alex Plaskett
Organization: MWR Labs/InfoSecurity
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-0176 (🔍)
GCVE (CVE): GCVE-0-2012-0176
GCVE (VulDB): GCVE-100-5363

OVAL: 🔍

X-Force: 75135
SecurityFocus: 53360 - Microsoft Silverlight Double-Free CVE-2012-0176 Remote Code Execution Vulnerability
Secunia: 49122 - Microsoft Silverlight Multiple Vulnerabilities, Highly Critical
OSVDB: 81718
SecurityTracker: 1027040 - Microsoft Silverlight Double Free Memory Error Lets Remote Users Execute Arbitrary Code
Vulnerability Center: 35033 - [MS12-034] Microsoft Silverlight 4 Remote Double Free Vulnerability via Crafted XAML Glyphs, Critical

See also: 🔍

Entryinfo

Created: 05/11/2012 17:53
Updated: 03/24/2021 13:05
Changes: 05/11/2012 17:53 (82), 04/11/2017 15:39 (12), 03/24/2021 13:05 (3)
Complete: 🔍
Cache ID: 216::103

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