PT-2020-14941 · Parallels · Parallels Desktop

Grigoritchy · Published 2020-08-18 · Updated 2020-09-03 · CVE-2020-17390

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Parallels Desktop version 15.1.2-47123

Description This issue allows local attackers to escalate privileges on affected installations. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this issue. 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 issue to escalate privileges and execute code in the context of the hypervisor.

Recommendations For Parallels Desktop version 15.1.2-47123, at the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2020-17390

ZDI-20-1008

Affected Products

Parallels Desktop

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2020-17390 · Security Note
• https://osv.dev/vulnerability/CVE-2020-17390 · Vendor Advisory
• https://kb.parallels.com/en/125013 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-20-1008 · Security Note