Learn about CVE-2021-21943, a critical heap-based buffer overflow vulnerability in Accusoft ImageGear 19.10 that allows code execution. Find out the impact, affected systems, and mitigation steps.
A heap-based buffer overflow vulnerability in Accusoft ImageGear 19.10 allows an attacker to execute code by providing a specially-crafted file.
Understanding CVE-2021-21943
This CVE involves a critical vulnerability in the XWD parser functionality of ImageGear 19.10.
What is CVE-2021-21943?
The CVE-2021-21943 is a heap-based buffer overflow vulnerability in Accusoft ImageGear 19.10, which can be exploited by a malicious actor to achieve code execution by using a specifically crafted file.
The Impact of CVE-2021-21943
With a CVSS base score of 9.8, this critical vulnerability poses a high risk to confidentiality, integrity, and availability of affected systems. An attacker can exploit this vulnerability remotely without requiring any special privileges or user interaction.
Technical Details of CVE-2021-21943
This section covers the technical aspects of the vulnerability.
Vulnerability Description
The heap-based buffer overflow in the XWD parser functionality of Accusoft ImageGear 19.10 allows an attacker to execute arbitrary code by providing a malicious file.
Affected Systems and Versions
Accusoft ImageGear version 19.10 is affected by this vulnerability.
Exploitation Mechanism
An attacker can exploit this vulnerability by crafting a malicious file and providing it to the target system, triggering the buffer overflow and potentially leading to code execution.
Mitigation and Prevention
To protect your system from CVE-2021-21943, consider the following mitigation strategies.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Stay informed about security updates and advisories released by Accusoft. Implement a robust patch management process to ensure timely deployment of fixes.