Learn about CVE-2022-28752, a Local Privilege Escalation vulnerability in Zoom Rooms for Windows versions prior to 5.11.0. Understand the impact, technical details, and mitigation steps.
Zoom Rooms for Conference Rooms for Windows versions before 5.11.0 are susceptible to a Local Privilege Escalation vulnerability that allows a local low-privileged user to elevate their privileges to the SYSTEM user.
Understanding CVE-2022-28752
This CVE identifies a Local Privilege Escalation vulnerability in Zoom Rooms for Windows that could be exploited by a malicious user to gain higher privileges.
What is CVE-2022-28752?
The vulnerability in Zoom Rooms for Windows versions prior to 5.11.0 enables a local low-privileged user to escalate their privileges to the SYSTEM user, posing a security risk.
The Impact of CVE-2022-28752
With a CVSS base score of 8.8, this vulnerability has a high impact on confidentiality, integrity, and availability. Attackers can exploit it to cause significant harm to affected systems.
Technical Details of CVE-2022-28752
This section delves into the specific technical aspects of the CVE.
Vulnerability Description
CVE-2022-28752 involves improper verification of cryptographic signatures in Zoom Room for Conference Room for Windows versions prior to 5.11.0, allowing unauthorized privilege escalation.
Affected Systems and Versions
The vulnerability impacts Zoom Rooms for Windows versions earlier than 5.11.0, specifically custom versions that are not updated to this release.
Exploitation Mechanism
A local attacker with low privileges can exploit this vulnerability to escalate their user permissions to the SYSTEM level, potentially leading to unauthorized access and control.
Mitigation and Prevention
To protect systems from the CVE-2022-28752 vulnerability, immediate actions and long-term security practices are crucial.
Immediate Steps to Take
Users should update Zoom Rooms for Windows to version 5.11.0 or later to mitigate the privilege escalation risk. Restricting user permissions and monitoring system access can also help prevent exploitation.
Long-Term Security Practices
Implementing least privilege access, regularly updating software, and conducting security training for users can enhance overall system security and resilience.
Patching and Updates
Regularly applying security patches and updates from Zoom Video Communications Inc. is essential to address known vulnerabilities and enhance system security.