Out-of-bounds Read in Parallels Desktop
CVE-2020-17390
This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 15.1.2-47123. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the hypervisor kernel extension. 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 code in the context of the hypervisor. Was ZDI-CAN-10030.
Vulnerability class: Buffer Overflow
EPSS: 0.005 (41.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Parallels Desktop — versions 15.1.2-47123
- Parallels Parallels_desktop
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
- zdi-disclosures@trendmicro.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-17390?
- CVE-2020-17390 is a high-severity vulnerability in Parallels Desktop, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2020-08-25.
- How severe is CVE-2020-17390?
- High severity. CVSS v3 base score is 8.8 out of 10.