#VU74917 Insecure DLL loading in Microsoft products - CVE-2023-28260

Vulnerability identifier: #VU74917

Vulnerability risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-28260

CWE-ID: CWE-427

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Visual Studio
Universal components / Libraries / Software for developers
PowerShell
Client/Desktop applications / Software for system administration
.NET
Other software / Other software solutions

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A remote attacker can place a specially crafted .dll file on a remote SMB fileshare, trick the victim into opening a file, associated with the vulnerable application, and execute arbitrary code on victim's system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Visual Studio: 17.0.0 17.0.31903.59, 17.2.0 17.2.32505.173, 17.4.0 17.4.33103.184, 17.5.0 17.5.33414.496

PowerShell: 7.2.0 - 7.2.10, 7.3.0 - 7.3.3

.NET: 6.0.1 - 6.0.15, 7.0.1 - 7.0.4

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-28260

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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.