#VU79248 Untrusted search path in AMD products - CVE-2023-20562

Vulnerability identifier: #VU79248

Vulnerability risk: Low

CVSSv4.0: 7.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2023-20562

CWE-ID: CWE-426

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
AMD uProf for Windows
Universal components / Libraries / Software for developers
AMD uProf for Linux
Universal components / Libraries / Software for developers
AMD uProf for FreeBSD
Universal components / Libraries / Software for developers

Vendor: AMD

Description

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

The vulnerability exists due to untrusted search path. A local user can load a malicious driver and execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

AMD uProf for Windows: before 4.1.396

AMD uProf for Linux: before 4.1.424

AMD uProf for FreeBSD: before 4.1.409

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External links
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7003

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.