Out-of-bounds Read in Parallels Desktop
CVE-2022-34889
This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 17.1.1 (51537). An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the ACPI virtual device. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-16554.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (27.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Parallels Desktop — versions 17.1.1 (51537)
- Parallels Parallels_desktop — versions 17.1.1_\(51537\)
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (x_refsource_MISC, Vendor Advisory)
- zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2022-34889?
- CVE-2022-34889 is a high-severity vulnerability in Parallels Desktop, classified under Out-of-bounds Read. CVSS score: 8.2/10. Published 2022-07-18.
- How severe is CVE-2022-34889?
- High severity. CVSS v3 base score is 8.2 out of 10.