#VU80671 Input validation error in Microsoft products - CVE-2023-36794

Vulnerability identifier: #VU80671

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-36794

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Visual Studio
Universal components / Libraries / Software for developers
Microsoft .NET Framework
Server applications / Frameworks for developing and running applications
.NET
Other software / Other software solutions

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to insufficient validation of user-supplied input in Visual Studio. A remote attacker can trick a victim to open a specially crafted package file and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Visual Studio: 16.0, 16.1 - 16.10, 16.2, 16.3, 16.4, 16.5, 16.6, 16.7, 16.8, 16.9, 2017 version 15.0, 2017 version 15.1, 2017 version 15.2, 2017 version 15.3, 2017 version 15.4, 2017 version 15.5, 2017 version 15.6, 2017 version 15.7, 2017 version 15.8, 2017 version 15.9, 2019 version 16.11, 2022 version 17.2, 2022 version 17.4, 2022 version 17.6, 2022 version 17.7

Microsoft .NET Framework: 2.0 Service Pack 2 , 3.0 Service Pack 2, 3.5, 4.5.1, 4.6.2, 4.7 - 4.7.2, 4.8 - 4.8.1

.NET: 6.0.0, 7.0.0

---

External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-36794

---

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.