CVE-2020-8871: Parallels Desktop VGA Out-Of-Bounds Write Privilege Escalation Vulnerability
First published: Mon Mar 23 2020(Updated: )
This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop . An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the VGA virtual device. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the hypervisor.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Parallels Desktop for Mac | <15.1.3 | |
| Parallels Desktop for Mac |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is CVE-2020-8871?
CVE-2020-8871 is a vulnerability that allows local attackers to escalate privileges on affected installations of Parallels Desktop 15.1.0-47107.
How can this vulnerability be exploited?
To exploit this vulnerability, an attacker must first obtain the ability to execute high-privileged code on the target guest system.
What is the severity of CVE-2020-8871?
The severity of CVE-2020-8871 is high with a CVSS score of 8.2.
Which software versions are affected by CVE-2020-8871?
This vulnerability affects Parallels Desktop versions up to and including 15.1.3.
How can I fix CVE-2020-8871?
To fix CVE-2020-8871, users should update Parallels Desktop to a version that is not affected by the vulnerability.
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/title
- agent/severity
- agent/author
- agent/references
- agent/last-modified-date
- agent/weakness
- agent/description
- agent/first-publish-date
- agent/event
- agent/trending
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-20-292
- alias/ZDI-CAN-9403
- alias/CVE-2020-8871
- agent/software-canonical-lookup
- vendor/parallels
- canonical/parallels desktop for mac