Learn about CVE-2021-31417, a vulnerability in Parallels Desktop version 15.1.4-47270. Understand its impact, technical details, and mitigation strategies to protect your system.
This article provides an overview of CVE-2021-31417, a vulnerability in Parallels Desktop 15.1.4-47270. It explains the impact, technical details, and mitigation strategies.
Understanding CVE-2021-31417
CVE-2021-31417 is a vulnerability that allows local attackers to disclose sensitive information on affected installations of Parallels Desktop 15.1.4-47270.
What is CVE-2021-31417?
CVE-2021-31417 is a security flaw within the Toolgate component of Parallels Desktop version 15.1.4-47270. Attackers with the ability to execute low-privileged code on the target system can exploit this vulnerability to escalate privileges and execute arbitrary code.
The Impact of CVE-2021-31417
The impact of CVE-2021-31417 is rated as 'MEDIUM.' It has a CVSS base score of 6.5, with high confidentiality impact and low integrity impact. Attack complexity is rated as low since the vector is local.
Technical Details of CVE-2021-31417
CVE-2021-31417 is classified under CWE-908, which refers to the Use of Uninitialized Resource vulnerability.
Vulnerability Description
The vulnerability arises from the lack of proper memory initialization before access, allowing attackers to retrieve sensitive information.
Affected Systems and Versions
Parallels Desktop version 15.1.4-47270 is specifically impacted by this vulnerability.
Exploitation Mechanism
To exploit CVE-2021-31417, an attacker must first execute low-privileged code on the target guest system. They can then leverage the uninitialized resource to escalate privileges and execute arbitrary code.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks associated with CVE-2021-31417.
Immediate Steps to Take
Users should update Parallels Desktop to a patched version provided by the vendor. Additionally, restrict guest system access to trusted users only.
Long-Term Security Practices
Implement regular security patches, conduct security assessments, and maintain a least-privilege access policy.
Patching and Updates
Stay informed about security updates released by Parallels and apply patches promptly to protect systems from potential exploits.