CVE-2021-25224 : Exploit Details and Defense Strategies
Learn about CVE-2021-25224, a memory exhaustion vulnerability in Trend Micro ServerProtect for Linux 3.0 allowing a local attacker to trigger a denial-of-service. Find out the impact, affected versions, and mitigation steps.
A memory exhaustion vulnerability in Trend Micro ServerProtect for Linux 3.0 could allow a local attacker to craft specific files that can cause a denial-of-service on the affected product. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
Understanding CVE-2021-25224
This CVE identifies a memory exhaustion vulnerability in Trend Micro ServerProtect for Linux 3.0 that can lead to a denial-of-service attack when exploited by a local attacker.
What is CVE-2021-25224?
CVE-2021-25224 is a security vulnerability in Trend Micro ServerProtect for Linux 3.0 that allows a local attacker to create malicious files triggering a denial-of-service condition on the affected product.
The Impact of CVE-2021-25224
The impact of this vulnerability is the potential disruption of services on systems running the affected Trend Micro ServerProtect for Linux version 3.0, leading to downtime and system unavailability.
Technical Details of CVE-2021-25224
This section delves into the specifics of the vulnerability.
Vulnerability Description
The vulnerability stems from a memory exhaustion issue in the manual scan component of Trend Micro ServerProtect for Linux 3.0, allowing an attacker to exploit it by crafting specific files.
Affected Systems and Versions
Only Trend Micro ServerProtect for Linux version 3.0 is affected by this vulnerability, leaving systems running this specific version at risk.
Exploitation Mechanism
To exploit CVE-2021-25224, the attacker needs to execute low-privileged code on the target system, creating the malicious files to trigger the denial-of-service.
Mitigation and Prevention
Here, we discuss steps to mitigate the risks posed by CVE-2021-25224.
Immediate Steps to Take
Users should update to the latest version of Trend Micro ServerProtect for Linux or implement vendor-provided patches to eliminate the vulnerability.
Long-Term Security Practices
Regular security updates, secure coding practices, and least privilege access policies help prevent similar vulnerabilities in the future.
Patching and Updates
Timely installation of security patches and updates from Trend Micro is essential to safeguard systems against known vulnerabilities.