CVE-2021-33598 : Security Advisory and Response
Learn about CVE-2021-33598, a Denial-of-Service (DoS) vulnerability impacting F-Secure endpoint protection products on Windows, Mac, and Linux Security. Discover the technical details, affected systems, and mitigation steps.
A Denial-of-Service (DoS) vulnerability has been discovered in all versions of F-Secure Atlant, affecting F-Secure endpoint protection products on Windows, Mac, and Linux Security. The vulnerability allows remote attackers to crash the Anti-Virus engine by triggering the SAVAPI component while scanning specially crafted files.
Understanding CVE-2021-33598
This CVE describes a vulnerability in F-Secure endpoint protection products that can lead to a Denial-of-Service (DoS) condition when processing malicious files.
What is CVE-2021-33598?
The CVE-2021-33598 is a Denial-of-Service (DoS) vulnerability found in all versions of F-Secure Atlant. The flaw resides in the SAVAPI component used in specific F-Secure products, enabling potential attackers to remotely crash the Anti-Virus engine.
The Impact of CVE-2021-33598
Exploiting this vulnerability successfully can result in a Denial-of-Service (DoS) condition of the Anti-Virus engine, potentially disrupting the protection capabilities of affected systems.
Technical Details of CVE-2021-33598
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows attackers to cause a crash in the Anti-Virus engine of F-Secure products by sending specially crafted files for scanning.
Affected Systems and Versions
All versions of F-Secure Atlant and F-Secure endpoint protection products on Windows, Mac, and Linux Security are affected by this vulnerability.
Exploitation Mechanism
Remote attackers can exploit this vulnerability by sending malicious files to the targeted system, triggering the crash of the SAVAPI component.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks posed by CVE-2021-33598.
Immediate Steps to Take
No user action is required as the fix for this vulnerability has been automatically deployed through the Capricorn update on 2021-08-10.
Long-Term Security Practices
Maintain regular software updates and security patches to ensure protection against known vulnerabilities.
Patching and Updates
Stay informed about security advisories and apply relevant patches provided by F-Secure to address vulnerabilities and enhance the security posture of the systems.