PT-2020-14944 · Parallels · Parallels Desktop

Reno Robert · Published 2020-08-18 · Updated 2020-08-28 · CVE-2020-17393

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 flaw exists within the prl hypervisor kext due to the lack of proper validation of user-supplied data, which can result in a pointer being leaked. This can be leveraged 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

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2020-17393

ZDI-20-1011

Affected Products

Parallels Desktop

References · 4

• https://zerodayinitiative.com/advisories/ZDI-20-1011 · Security Note
• https://kb.parallels.com/en/125013 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-17393 · Security Note
• https://osv.dev/vulnerability/CVE-2020-17393 · Vendor Advisory