PT-2020-14952 · Parallels · Parallels Desktop

Grigoritchy · Published 2020-08-18 · Updated 2020-08-26 · CVE-2020-17401

Positive Technologies (AI Summary)

CVSS v3.1

6.0

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Parallels Desktop version 15.1.4

Description This issue allows local attackers to disclose sensitive information on affected installations. An attacker must first obtain the ability to execute high-privileged code on the target guest system. The flaw exists within the VGA virtual device due to the lack of proper validation of user-supplied data, resulting in a read past the end of an allocated array. This can be leveraged in conjunction with other issues to escalate privileges and execute code in the context of the hypervisor.

Recommendations For Parallels Desktop version 15.1.4, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Validation of Array Index

Weakness Enumeration

CWE-129

Related Identifiers

CVE-2020-17401

ZDI-20-1019

Affected Products

Parallels Desktop

References · 4

• https://zerodayinitiative.com/advisories/ZDI-20-1019 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-17401 · Security Note
• https://kb.parallels.com/en/125013 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-17401 · Vendor Advisory