CVE-2021-45845 : What You Need to Know
Learn about CVE-2021-45845, a critical OS command injection vulnerability in FreeCAD 0.19. Understand the impact, affected systems, exploitation method, and mitigation steps.
FreeCAD 0.19's Path Sanity Check script is vulnerable to OS command injection, enabling attackers to run arbitrary commands via a malicious FCStd document.
Understanding CVE-2021-45845
FreeCAD 0.19's Path Sanity Check script is susceptible to a severe OS command injection vulnerability.
What is CVE-2021-45845?
The vulnerability in FreeCAD 0.19 allows threat actors to execute unauthorized commands through a specially crafted FCStd file.
The Impact of CVE-2021-45845
The exploit permits attackers to run commands on the host system, potentially leading to data theft, system compromise, or further attacks.
Technical Details of CVE-2021-45845
FreeCAD 0.19's vulnerability details and its implications.
Vulnerability Description
The flaw in the Path Sanity Check script permits OS command injection, enabling unauthorized command execution by manipulating the FCStd document.
Affected Systems and Versions
- Product: FreeCAD 0.19
- Vendor: FreeCAD
- Affected Version: All
Exploitation Mechanism
- Attackers can create a malicious FCStd file to inject and execute arbitrary commands on the host system.
Mitigation and Prevention
Strategies to mitigate the CVE-2021-45845 vulnerability.
Immediate Steps to Take
- Avoid opening FCStd files from untrusted sources.
- Implement security patches promptly.
Long-Term Security Practices
- Regularly update and patch FreeCAD to the latest secure version.
- Employ robust access controls and permissions to restrict file execution.
Patching and Updates
- Stay informed about FreeCAD security updates and apply patches as soon as they become available.