#VU84556 Link following in Parallels Desktop - CVE-2023-50226

Vulnerability identifier: #VU84556

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-2023-50226

CWE-ID: CWE-59

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 escalate privileges on the system.

The vulnerability exists due to a link following issue within the Updater service. A local user can create a symbolic link and gain elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Parallels Desktop: before 17.1.7

---

External links
https://www.zerodayinitiative.com/advisories/ZDI-23-1805/
https://kb.parallels.com/en/125013

---

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.