#VU78213 Race condition in .NET and Visual Studio - CVE-2023-33170

Vulnerability identifier: #VU78213

Vulnerability 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-2023-33170

CWE-ID: CWE-362

Exploitation vector: Network

Exploit availability: No

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

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to a race condition in the ASP.NET and Visual Studio. A remote attacker can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

.NET: 6.0.0, 7.0.0

Visual Studio: 17.0.0 17.0.31903.59, 17.2.0 17.2.32505.173, 17.4.0 17.4.33103.184, 17.6.0 17.6.33712.159

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External links
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33170

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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.