Learn about CVE-2021-21908, a medium severity vulnerability affecting Garrett Metal Detectors iC Module CMA Version 5.0. Find out how attackers can delete arbitrary files using specially-crafted command line arguments.
This article provides detailed information about CVE-2021-21908, a vulnerability affecting Garrett Metal Detectors iC Module CMA Version 5.0.
Understanding CVE-2021-21908
CVE-2021-21908 is a vulnerability that allows an authenticated attacker to delete arbitrary files by providing specially-crafted command line arguments to the handle_delete function.
What is CVE-2021-21908?
The vulnerability in Garrett Metal Detectors iC Module CMA Version 5.0 arises from the lack of validation of command line arguments passed to the handle_delete function. This oversight enables attackers to conduct directory traversal attacks and delete files.
The Impact of CVE-2021-21908
The impact of CVE-2021-21908 is rated as medium severity with a CVSS base score of 6. It poses a risk to the integrity of the affected system as authenticated attackers with high privileges can delete files.
Technical Details of CVE-2021-21908
CVE-2021-21908 is classified as CWE-22, indicating an improper limitation of pathname vulnerability that allows path traversal attacks.
Vulnerability Description
Specially-crafted command line arguments can lead to arbitrary file deletion due to the lack of input validation in the handle_delete function of Garrett Metal Detectors iC Module CMA Version 5.0.
Affected Systems and Versions
The vulnerability impacts Garrett Metal Detectors iC Module CMA Version 5.0.
Exploitation Mechanism
Authenticated attackers can exploit this vulnerability by providing malicious command line arguments, enabling them to bypass directory traversal protections and delete files.
Mitigation and Prevention
To address CVE-2021-21908, users and administrators should take immediate and long-term security measures to mitigate the risk.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Regularly update the Garrett Metal Detectors iC Module CMA software to ensure that the latest security patches are applied to prevent exploitation of known vulnerabilities.