Microsoft .NET Framework up to 4 Path Subversion Libraries untrusted search path

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Microsoft .NET Framework up to 4. This impacts an unknown function in the library Path Subversion Libraries. Executing a manipulation can lead to untrusted search path. This vulnerability appears as CVE-2012-2519. The attack may be performed from remote. In addition, an exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Microsoft .NET Framework up to 4 (Programming Language Software). It has been declared as critical. This vulnerability affects an unknown code block in the library Path Subversion Libraries. The manipulation with an unknown input leads to a untrusted search path vulnerability. The CWE definition for the vulnerability is CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. As an impact it is known to affect confidentiality, and integrity. CVE summarizes:

Untrusted search path vulnerability in Entity Framework in ADO.NET in Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, and 4 allows local users to gain privileges via a Trojan horse DLL in the current working directory, as demonstrated by a directory that contains a .NET application, aka ".NET Framework Insecure Library Loading Vulnerability."

The weakness was presented 11/13/2012 by James Forshaw with Microsoft as MS12-074 as confirmed bulletin (Website). The advisory is shared for download at docs.microsoft.com. The public release was coordinated in cooperation with the vendor. This vulnerability was named CVE-2012-2519 since 05/09/2012. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a private exploit are known. The MITRE ATT&CK project declares the attack technique as T1574.

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 X-Force (79693), Tenable (62906), SecurityFocus (BID 56462†), OSVDB (87265†) and Secunia (SA51236†). See VDB-6926, VDB-6927, VDB-6929 and VDB-6930 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.5
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Untrusted search path
CWE: CWE-426
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: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: KB2745030
McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍

Timelineinfo

05/09/2012 🔍
11/13/2012 +188 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 🔍
11/14/2012 +0 days 🔍
11/15/2012 +1 days 🔍
08/04/2021 +3184 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS12-074
Researcher: James Forshaw
Organization: Microsoft
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2012-2519 (🔍)
GCVE (CVE): GCVE-0-2012-2519
GCVE (VulDB): GCVE-100-6928

OVAL: 🔍
IAVM: 🔍

X-Force: 79693
SecurityFocus: 56462 - Microsoft .NET Framework CVE-2012-2519 DLL Loading Arbitrary Code Execution Vulnerability
Secunia: 51236 - Microsoft .NET Framework Multiple Vulnerabilities, Highly Critical
OSVDB: 87265
SecurityTracker: 1027753 - Microsoft .NET Flaws Let Remote Users Execute Arbitrary Code, Obtain Potentially Sensitive Information, and Bypass Security Restrictions
Vulnerability Center: 37238 - [MS12-074] Microsoft .NET Framework Allows Privilege Escalation via a Trojan Horse DLL, Critical

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

Entryinfo

Created: 11/15/2012 10:30
Updated: 08/04/2021 17:09
Changes: 11/15/2012 10:30 (84), 04/05/2017 16:15 (14), 04/19/2021 10:36 (2), 08/04/2021 17:09 (1)
Complete: 🔍
Committer:
Cache ID: 216:31B:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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