#VU80730 Input validation error in Visual Studio and .NET - CVE-2023-36799

Vulnerability identifier: #VU80730

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-36799

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Visual Studio
Universal components / Libraries / Software for developers
.NET
Other software / Other software solutions

Vendor: Microsoft

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in .NET Core and Visual Studio. A remote attacker can trick a victim to open a specially crafted file and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Visual Studio: before 17.2.19, 17.4.11, 17.6.7, 17.7.4, 17.2.19, 17.2.19, 17.2.19, 17.2.19

.NET: before 6.0.22, 7.0.11, 6.0.22, 6.0.22

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-36799

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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.