Remote code execution in Microsoft .NET Framework



Published: 2022-12-13
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-41089
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe
Microsoft .NET Core
Server applications / Frameworks for developing and running applications

Microsoft .NET Framework
Server applications / Frameworks for developing and running applications

Visual Studio
Universal components / Libraries / Software for developers

Vendor Microsoft

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Input validation error

EUVDB-ID: #VU70177

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-41089

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to insufficient validation of user-supplied input in the .NET Framework. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft .NET Core: 3.1 - 7.0.0

Microsoft .NET Framework: 2.0 - 4.8.1

Visual Studio: 16.0.0 16.0.28729.10 - 2019 for Mac version 8.9

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41089


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###