CVE-2020-24558 : Security Advisory and Response
Learn about CVE-2020-24558, a vulnerability in Trend Micro Apex One and Worry-Free Business Security 10.0 SP1 that could allow an attacker to crash multiple processes. Find mitigation steps and prevention measures here.
A vulnerability in Trend Micro Apex One and Worry-Free Business Security 10.0 SP1 may allow an attacker to manipulate a dll file, causing an out-of-bounds read that crashes multiple processes.
Understanding CVE-2020-24558
This CVE involves an improper access control privilege escalation issue in Trend Micro products.
What is CVE-2020-24558?
The vulnerability in Trend Micro products could be exploited by an attacker executing low-privileged code on the target system to cause a crash in multiple processes.
The Impact of CVE-2020-24558
The vulnerability could lead to a denial of service (DoS) condition, potentially affecting the availability and stability of the affected systems.
Technical Details of CVE-2020-24558
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability allows an attacker to trigger an out-of-bounds read by manipulating a specific dll file, resulting in crashes in various processes within the affected products.
Affected Systems and Versions
- Trend Micro Apex One version 2009 (on premise), SaaS
- Trend Micro Worry-Free Business Security version 10.0 SP1, Services (SaaS)
Exploitation Mechanism
To exploit this vulnerability, an attacker must first gain the ability to execute low-privileged code on the target system.
Mitigation and Prevention
Protecting systems from CVE-2020-24558 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Trend Micro promptly.
- Monitor for any unusual system behavior that could indicate exploitation of the vulnerability.
Long-Term Security Practices
- Implement the principle of least privilege to restrict unnecessary access.
- Regularly update and patch all software and systems to prevent known vulnerabilities.
- Conduct security training for users to recognize and report suspicious activities.
Patching and Updates
Ensure that all Trend Micro products are updated with the latest security patches to mitigate the risk of exploitation.