Learn about CVE-2022-21147, an out of bounds read vulnerability in ESTsoft Alyac 2.5.7.7 that can lead to denial of service. Explore impact, affected systems, and mitigation steps.
A vulnerability has been identified in ESTsoft Alyac 2.5.7.7 that could allow an attacker to trigger an out of bounds read issue, potentially leading to denial of service. Here's what you need to know.
Understanding CVE-2022-21147
This CVE details an out of bounds read vulnerability in ESTsoft Alyac 2.5.7.7. The vulnerability can be exploited by providing a specially-crafted PE file, resulting in denial of service and termination of the malware scan process.
What is CVE-2022-21147?
The vulnerability in ESTsoft Alyac 2.5.7.7 allows an attacker to exploit the malware scan functionality by triggering an out of bounds read issue with a malicious PE file.
The Impact of CVE-2022-21147
The impact of this vulnerability is rated as medium with a CVSS base score of 5. It requires local access and user interaction, potentially resulting in a high availability impact.
Technical Details of CVE-2022-21147
Below are the technical details of CVE-2022-21147:
Vulnerability Description
The vulnerability involves an out of bounds read issue in ESTsoft Alyac 2.5.7.7, specifically in the malware scan functionality.
Affected Systems and Versions
The affected product is Alyac version 2.5.7.7 by ESTsoft.
Exploitation Mechanism
An attacker can exploit this vulnerability by providing a specially-crafted PE file to trigger the out of bounds read issue.
Mitigation and Prevention
To address CVE-2022-21147, consider the following mitigation strategies:
Immediate Steps to Take
Immediate steps include updating Alyac to a non-vulnerable version, monitoring for any abnormal behavior, and restricting access to potentially malicious files.
Long-Term Security Practices
Implementing regular security updates, conducting security training for users, and maintaining an incident response plan are key long-term practices.
Patching and Updates
Keep abreast of updates and patches released by ESTsoft to address the vulnerability effectively.