CVE-2022-28755 : What You Need to Know
Learn about CVE-2022-28755 affecting Zoom Clients before 5.11.0. Discover the critical impact of this URL parsing flaw and essential mitigation steps.
A URL parsing vulnerability in Zoom Clients allows for potential remote code execution, affecting versions below 5.11.0.
Understanding CVE-2022-28755
This CVE involves a security flaw in Zoom Clients that could lead to critical network attacks.
What is CVE-2022-28755?
The Zoom Client for Meetings is vulnerable to improper URL parsing. Opening a malicious Zoom meeting URL can redirect users to arbitrary network addresses, facilitating further attacks like remote code execution.
The Impact of CVE-2022-28755
With a CVSS base score of 9.6 (Critical), this CVE poses a severe threat. It has a low attack complexity but high impacts on confidentiality, integrity, and availability, with no privileges required for exploitation.
Technical Details of CVE-2022-28755
This section delves into the specifics of the vulnerability.
Vulnerability Description
The issue lies in versions of Zoom Clients prior to 5.11.0, where improper URL parsing can result in users connecting to malicious network addresses, enabling attackers to execute code remotely.
Affected Systems and Versions
Zoom Client for Meetings (across Android, iOS, Linux, macOS, and Windows) versions earlier than 5.11.0 and Zoom VDI Windows Meeting Clients below 5.10.7 are impacted.
Exploitation Mechanism
An attacker can exploit this vulnerability by crafting a malicious Zoom meeting URL, tricking users into opening it and potentially executing malicious code on their systems.
Mitigation and Prevention
Protective measures and steps to mitigate the risks associated with CVE-2022-28755.
Immediate Steps to Take
Users are advised to update their Zoom Clients to versions 5.11.0 or later to patch the vulnerability and prevent exploitation. Avoid clicking on meeting URLs from untrusted sources.
Long-Term Security Practices
Regularly update Zoom Clients and other software to the latest versions to guard against emerging threats. Educate users on safe browsing practices to mitigate risks.
Patching and Updates
Zoom Video Communications Inc. may release security patches regularly to address vulnerabilities like improper URL parsing. Stay informed about security bulletins and apply patches promptly.