#VU84555 Improper Verification of Cryptographic Signature in Parallels Desktop - CVE-2023-50228

Vulnerability identifier: #VU84555

Vulnerability risk: Low

CVSSv4.0: 5.9 [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:U/U:Clear]

CVE-ID: CVE-2023-50228

CWE-ID: CWE-347

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Parallels Desktop
Operating systems & Components / Operating system package or component

Vendor: Parallels

Description

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to improper verification of a cryptographic signature. A local user can escalate privileges and execute arbitrary code in the context of root.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Parallels Desktop: before 19.1.0

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External links
https://www.zerodayinitiative.com/advisories/ZDI-23-1803/
https://kb.parallels.com/en/125013

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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.