Microsoft .NET Framework 4.0/4.5 Reflection Optimization Object Permission access control

CVSS Meta Temp Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Microsoft .NET Framework 4.0/4.5. Affected by this vulnerability is an unknown functionality of the component Reflection Optimization Object Permission Handler. The manipulation results in access control. This vulnerability is known as CVE-2012-4777. It is possible to launch the attack remotely. Furthermore, an exploit is available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as critical has been found in Microsoft .NET Framework 4.0/4.5 (Programming Language Software). Affected is an unknown function of the component Reflection Optimization Object Permission Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The code-optimization feature in the reflection implementation in Microsoft .NET Framework 4 and 4.5 does not properly enforce object permissions, which allows remote attackers to execute arbitrary code via (1) a crafted XAML browser application (aka XBAP) or (2) a crafted .NET Framework application, aka "WPF Reflection Optimization Vulnerability."

The weakness was published 11/13/2012 by James Forshaw with Context Information Security as MS12-074 as confirmed bulletin (Website). The advisory is available at technet.microsoft.com. The public release has been coordinated with the vendor. This vulnerability is traded as CVE-2012-4777 since 09/06/2012. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a private exploit is available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 62906 (MS12-074: Vulnerabilities in .NET Framework Could Allow Remote Code Execution (2745030)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90841 (Microsoft .NET Framework Remote Code Execution Vulnerability (MS12-074)).

Applying the patch KB2745030 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 Tenable (62906), SecurityFocus (BID 56464†), OSVDB (87267†), Secunia (SA51236†) and SecurityTracker (ID 1027753†). Similar entries are available at VDB-6926, VDB-6927, VDB-6928 and VDB-6929. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.0
VulDB Meta Temp Score: 8.1

VulDB Base Score: 9.0
VulDB Temp Score: 8.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 62906
Nessus Name: MS12-074: Vulnerabilities in .NET Framework Could Allow Remote Code Execution (2745030)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902934
OpenVAS Name: Microsoft .NET Framework Remote Code Execution Vulnerability (2745030)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: KB2745030

Timelineinfo

09/06/2012 🔍
11/13/2012 +68 days 🔍
11/13/2012 +0 days 🔍
11/13/2012 +0 days 🔍
11/13/2012 +0 days 🔍
11/13/2012 +0 days 🔍
11/13/2012 +0 days 🔍
11/13/2012 +0 days 🔍
11/14/2012 +1 days 🔍
11/15/2012 +1 days 🔍
04/19/2021 +3077 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS12-074
Researcher: James Forshaw
Organization: Context Information Security
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-4777 (🔍)
GCVE (CVE): GCVE-0-2012-4777
GCVE (VulDB): GCVE-100-6930

OVAL: 🔍
IAVM: 🔍

SecurityFocus: 56464 - Microsoft .NET Framework CVE-2012-4777 Remote Privilege Escalation Vulnerability
Secunia: 51236 - Microsoft .NET Framework Multiple Vulnerabilities, Highly Critical
OSVDB: 87267
SecurityTracker: 1027753 - Microsoft .NET Flaws Let Remote Users Execute Arbitrary Code, Obtain Potentially Sensitive Information, and Bypass Security Restrictions
Vulnerability Center: 37240 - [MS12-074] Microsoft .NET Framework Allows Remote Code Execution, Critical

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 11/15/2012 10:46
Updated: 04/19/2021 10:48
Changes: 11/15/2012 10:46 (84), 04/05/2017 16:14 (10), 04/19/2021 10:48 (3)
Complete: 🔍
Committer:
Cache ID: 216::103

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