CVE-2021-45082 : Vulnerability Insights and Analysis
Discover the impact of CVE-2021-45082 in Cobbler. Learn about the vulnerability allowing Python module imports through Cheetah code. Find mitigation steps and necessary updates here.
An issue was discovered in Cobbler before 3.3.1 where the templar.py file allows Cheetah code to import Python modules leading to a vulnerability.
Understanding CVE-2021-45082
What is CVE-2021-45082?
Cobbler before version 3.3.1 is susceptible to a vulnerability that enables Cheetah code to import Python modules, potentially leading to security risks.
The Impact of CVE-2021-45082
The exploitation of this vulnerability can allow attackers to import Python modules through Cheetah code, bypassing certain security measures.
Technical Details of CVE-2021-45082
Vulnerability Description
The issue lies in the templar.py file in Cobbler, where the function check_for_invalid_imports can be manipulated to import Python modules via specific code substrings.
Affected Systems and Versions
- Product: N/A
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
Attackers can exploit this vulnerability by utilizing specific substrings in the Cheetah code to import Python modules.
Mitigation and Prevention
Immediate Steps to Take
- It is recommended to update Cobbler to version 3.3.1 or later to mitigate this vulnerability.
- Implement proper input validation to sanitize user inputs and prevent code injection.
Long-Term Security Practices
- Regularly monitor and update the software and its dependencies to patch security flaws.
- Conduct security audits and code reviews to identify and rectify vulnerabilities timely.
Patching and Updates
Ensure timely installation of security patches and updates released by Cobbler to address vulnerabilities.