Remote code execution in Microsoft .NET, .NET Framework and Visual Studio



Published: 2024-04-10
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-21409
CWE-ID CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Microsoft .NET Framework
Server applications / Frameworks for developing and running applications

Visual Studio
Universal components / Libraries / Software for developers

.NET
Other software / Other software solutions

Vendor Microsoft

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU88430

Risk: Medium

CVSSv3.1: 7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-21409

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in .NET, .NET Framework and Visual Studio. A remote user can execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft .NET Framework: 3.5 - 4.8.1

Visual Studio: 2022 version 17.4 - 2022 version 17.9

.NET: 6.0.0 - 8.0.0

External links

http://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21409


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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



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