PT-2020-14942 · Parallels · Parallels Desktop

Reno Robert · Published 2020-08-18 · Updated 2020-08-31 · CVE-2020-17391

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Parallels Desktop version 15.1.3-47255

Description This issue allows local attackers to disclose information on affected installations. An attacker must first obtain the ability to execute low-privileged code on the target system. The specific flaw exists within the handler for HOST IOCTL INIT HYPERVISOR in the prl hypervisor kext. The issue results from the exposure of a dangerous method or function to the unprivileged user. An attacker can leverage this in conjunction with other issues to execute arbitrary code in the context of the kernel.

Recommendations For Parallels Desktop version 15.1.3-47255, at the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Weakness Enumeration

CWE-749

Related Identifiers

CVE-2020-17391

ZDI-20-1009

Affected Products

Parallels Desktop

References · 4

• https://osv.dev/vulnerability/CVE-2020-17391 · Vendor Advisory
• https://kb.parallels.com/en/125013 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-20-1009 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-17391 · Security Note