CVE-2022-41956 Explained : Impact and Mitigation
Learn about CVE-2022-41956 affecting Autolab, enabling file disclosure via the remote handin feature. Explore impacts, technical details, and mitigation steps.
Autolab, a course management service, contains a vulnerability that allows file disclosure via the remote handin feature allowing users to view files from outside their submission directory. This article provides insights into the nature of the CVE-2022-41956 and the necessary actions to mitigate the risks.
Understanding CVE-2022-41956
Autolab is susceptible to a path traversal vulnerability (CWE-22) through its remote handin feature, enabling users to access files outside their designated submission directory.
What is CVE-2022-41956?
Autolab, designed initially by Carnegie Mellon University students, facilitates instructors in providing autograded programming assignments online. The vulnerability in the remote handin feature permits users to view files beyond their submission directory, posing a risk to data confidentiality.
The Impact of CVE-2022-41956
The vulnerability in Autolab's remote handin feature allows users to access unauthorized files, jeopardizing the confidentiality of sensitive information submitted by students. Exploitation of this vulnerability can lead to unauthorized data disclosure.
Technical Details of CVE-2022-41956
The vulnerability lies in users' ability to circumvent directory restrictions, leading to file disclosure in Autolab's remote handin feature.
Vulnerability Description
The vulnerability lets users access files outside the submission directory, potentially exposing confidential student submissions.
Affected Systems and Versions
Autolab versions equal to or below 2.9.0 are affected by this vulnerability.
Exploitation Mechanism
By manipulating the path in the remote handin feature, users can access files from unintended locations.
Mitigation and Prevention
To safeguard against the CVE-2022-41956 vulnerability, immediate actions and long-term security measures need to be implemented.
Immediate Steps to Take
Ensure Autolab is updated to version 2.10.0 to apply the necessary patch. Additionally, configure the remote handin feature settings to prevent file disclosure.
Long-Term Security Practices
Regularly monitor security advisories and perform security audits to identify and mitigate potential vulnerabilities in the system.
Patching and Updates
Keep Autolab updated to the latest version and apply patches promptly to address known security issues.