Vulnerability identifier: #VU83152

Vulnerability risk: Medium

CVSSv3.1: 6.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-36049

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

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

Description

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

The vulnerability exists due to application does not properly impose security restrictions in .NET, .NET Framework and Visual Studio, which leads to security restrictions bypass and privilege escalation.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft .NET Framework: 4.8, 2.0, 3.0 - 3.0 Service Pack 2, 3.5, 3.5.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8.1

Visual Studio: 2022 version 17.7, 2022 version 17.6

.NET: 8.0.0, 7.0.0, 6.0.0

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-36049
http://www.zerodayinitiative.com/advisories/ZDI-23-1639/

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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.