PT-2020-14948 · Parallels · Parallels Desktop

Ziming Zhang · Published 2020-08-18 · Updated 2020-08-31 · CVE-2020-17397

Positive Technologies (AI Summary)

CVSS v3.1

8.2

High

Base vector

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

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

Description This issue allows local attackers to escalate privileges on affected installations. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this issue. The specific flaw exists within the handling of network packets. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this issue to escalate privileges and execute code in the context of the hypervisor.

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

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2020-17397

ZDI-20-1015

Affected Products

Parallels Desktop

References · 4

• https://zerodayinitiative.com/advisories/ZDI-20-1015 · Security Note
• https://kb.parallels.com/en/125013 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-17397 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-17397 · Security Note