Microsoft .NET Framework up to 4.5.2 Object input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft .NET Framework up to 4.5.2. It has been classified as critical. The impacted element is an unknown function of the component Object Handler. This manipulation causes input validation. This vulnerability is registered as CVE-2014-4149. Remote exploitation of the attack is possible. Furthermore, an exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as critical was found in Microsoft .NET Framework up to 4.5.2 (Programming Language Software). Affected by this vulnerability is an unknown code block of the component Object Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 11/11/2014 by James Forshaw with Context Information Security as MS14-072 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. This vulnerability is known as CVE-2014-4149 since 06/12/2014. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed by James Forshaw and been published 6 days after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 79132 (MS14-072: Vulnerability in .NET Framework Could Allow Elevation of Privilege (3005210)), 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 90997 (Microsoft .Net Framework Elevation of Privilege Vulnerability (MS14-072)).

Applying the patch MS14-072 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 (98367), Exploit-DB (35280), Tenable (79132), SecurityFocus (BID 70979†) and SecurityTracker (ID 1031188†). Similar entry is available at VDB-13230. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: James Forshaw
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 79132
Nessus Name: MS14-072: Vulnerability in .NET Framework Could Allow Elevation of Privilege (3005210)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802074
OpenVAS Name: Microsoft .NET Framework Privilege Elevation Vulnerability (3005210)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Exploit Delay Time: 🔍

Patch: MS14-072

Timelineinfo

06/12/2014 🔍
11/11/2014 +152 days 🔍
11/11/2014 +0 days 🔍
11/11/2014 +0 days 🔍
11/11/2014 +0 days 🔍
11/11/2014 +0 days 🔍
11/11/2014 +0 days 🔍
11/12/2014 +1 days 🔍
11/12/2014 +0 days 🔍
11/12/2014 +0 days 🔍
11/17/2014 +5 days 🔍
11/17/2014 +0 days 🔍
12/16/2024 +3682 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS14-072
Researcher: James Forshaw
Organization: Context Information Security
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-4149 (🔍)
GCVE (CVE): GCVE-0-2014-4149
GCVE (VulDB): GCVE-100-68185

OVAL: 🔍

X-Force: 98367 - Microsoft .NET TypeFilterLevel privilege escalation, High Risk
SecurityFocus: 70979 - Microsoft .NET Framework CVE-2014-4149 Remote Privilege Escalation Vulnerability
SecurityTracker: 1031188 - Microsoft .NET Remoting Object Handling Flaw Lets Remote Users Execute Arbitrary Code
Vulnerability Center: 47012 - [MS14-072] Microsoft .NET Framework Remote Code Execution via Crafted Data - CVE-2014-4149, Critical

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

Entryinfo

Created: 11/12/2014 17:31
Updated: 12/16/2024 05:39
Changes: 11/12/2014 17:31 (80), 04/05/2017 16:04 (13), 02/24/2022 15:35 (3), 02/24/2022 15:42 (1), 12/16/2024 05:39 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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