Multiple vulnerabilities in Microsoft .NET, .NET Framework and Visual Studio

Published: 2024-10-09

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-43483 CVE-2024-43484
CWE-ID	CWE-407
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	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 information about 2 vulnerabilities.

1) Inefficient Algorithmic Complexity

EUVDB-ID: #VU98276

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-43483

CWE-ID: CWE-407 - Inefficient Algorithmic Complexity

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to inefficient algorithmic complexity in .NET, .NET Framework, and Visual Studio. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft .NET Framework: 2.0 Service Pack 2 - 4.8.1

Visual Studio: 2022 version 17.6 - 2022 version 17.11

.NET: 6.0.0 - 8.0.0

CPE2.3

External links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43483

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.

2) Inefficient Algorithmic Complexity

EUVDB-ID: #VU98277