SB2023031023 - Multiple vulnerabilities in Parallels Desktop

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Improper Initialization (CVE-ID: CVE-2023-27325)

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

The vulnerability exists due to improper initialization within the Updater service. A local user can run a specially crafted application to execute arbitrary code with escalated privileges on the system.

2) Improper Initialization (CVE-ID: CVE-2023-27322)

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

The vulnerability exists due to improper initialization within the Parallels Service. A local user can run a specially crafted application to execute arbitrary code with escalated privileges on the system.

3) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2023-27323)

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

The vulnerability exists due to a time-of-check-time-of-use (TOCTOU) race condition within the Updater service. A local user can gain elevated privileges on the target system.

4) Improper Initialization (CVE-ID: CVE-2023-27324)

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

The vulnerability exists due to improper initialization within the Updater service. A local user can run a specially crafted application to execute arbitrary code with escalated privileges on the system.

Remediation

Install update from vendor's website.

References

• https://www.zerodayinitiative.com/advisories/ZDI-23-219/
• https://kb.parallels.com/125013
• https://www.zerodayinitiative.com/advisories/ZDI-23-216/
• https://www.zerodayinitiative.com/advisories/ZDI-23-217/
• https://www.zerodayinitiative.com/advisories/ZDI-23-218/