Cloudflare WARP client for Windows had a vulnerability (up to v. 2022.5.309.0) allowing privilege escalation and file overwrite. Learn how to mitigate CVE-2022-2145.
Cloudflare WARP client for Windows (up to v. 2022.5.309.0) had a vulnerability that allowed the creation of mount points from its ProgramData folder. This flaw could be exploited during installation to escalate privileges and overwrite SYSTEM-protected files.
Understanding CVE-2022-2145
This CVE details a security issue in Cloudflare's WARP client for Windows, impacting versions up to 2022.5.309.0.
What is CVE-2022-2145?
The vulnerability in Cloudflare WARP allowed attackers to create mount points during installation, leading to privilege escalation and potential file overwrite.
The Impact of CVE-2022-2145
The impact of this vulnerability is rated as "MEDIUM" based on CVSS v3.1 scoring. It has a base score of 5.8 with a high impact on availability and integrity.
Technical Details of CVE-2022-2145
This section provides more technical insights into the vulnerability.
Vulnerability Description
The flaw allowed for the creation of mount points during the Cloudflare WARP client installation, enabling privilege escalation and overwriting of critical system files.
Affected Systems and Versions
The vulnerability affects Windows systems running Cloudflare WARP client versions prior to 2022.5.309.0.
Exploitation Mechanism
Attackers could exploit this vulnerability by manipulating the installation process to create mount points and overwrite protected files.
Mitigation and Prevention
To address CVE-2022-2145 and enhance security, follow these guidelines.
Immediate Steps to Take
Upgrade Cloudflare WARP client on Windows to at least version 2022.5.309.0 to mitigate the vulnerability.
Long-Term Security Practices
Regularly update software, apply security patches promptly, and follow secure installation practices to prevent similar exploits.
Patching and Updates
Keep the WARP client up to date and stay informed about security advisories to protect against emerging threats.