Learn about CVE-2022-34891 affecting Parallels Desktop 17.1.1, enabling privilege escalation for local attackers. Discover impacts, technical details, and mitigation strategies.
This CVE-2022-34891 affects Parallels Desktop 17.1.1, allowing local attackers to escalate privileges by exploiting incorrect permissions set on sensitive files within the update mechanism.
Understanding CVE-2022-34891
This section provides insights into the vulnerability, its impacts, technical details, and mitigation strategies.
What is CVE-2022-34891?
CVE-2022-34891 allows attackers to elevate privileges on Parallels Desktop 17.1.1 installations by executing low-privileged code and leveraging incorrect file permissions.
The Impact of CVE-2022-34891
The vulnerability poses a high severity risk with a CVSS base score of 7.8, potentially leading to unauthorized privilege escalation and arbitrary code execution.
Technical Details of CVE-2022-34891
Here are the key technical details surrounding the CVE-2022-34891 vulnerability.
Vulnerability Description
The flaw exists within Parallels Desktop's update mechanism, where sensitive files are assigned incorrect permissions, enabling attackers to escalate privileges to execute arbitrary code.
Affected Systems and Versions
Parallels Desktop 17.1.1 is specifically impacted by this vulnerability, putting systems with this version at risk of privilege escalation attacks.
Exploitation Mechanism
Attackers need prior access to execute low-privileged code on the target system to exploit the vulnerability, subsequently escalating privileges and running arbitrary code.
Mitigation and Prevention
To safeguard systems from CVE-2022-34891, consider the following mitigation and prevention measures.
Immediate Steps to Take
Implementing immediate security measures can help prevent exploitation, such as restricting access and monitoring system activities closely.
Long-Term Security Practices
Establishing robust security practices, including regular security assessments and updates, can enhance overall system defense against similar vulnerabilities.
Patching and Updates
Applying patches and updates released by Parallels for Parallels Desktop can address the underlying vulnerability and strengthen system security.