Multiple vulnerabilities in Microsoft .NET and Visual Studio

Published: 2024-07-10

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2024-35264 CVE-2024-38095
CWE-ID	CWE-416 CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	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) Use-after-free

EUVDB-ID: #VU94041

Risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-35264

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 and Visual Studio. A remote attacker can win a race condition and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Visual Studio: 2022 version 17.4 - 2022 version 17.10

.NET: 8.0.0

CPE2.3

External links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-35264

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) Input validation error

EUVDB-ID: #VU94042

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-2024-38095

CWE-ID: CWE-20 - Improper input validation