CVE-2021-40349 : Exploit Details and Defense Strategies
Learn about CVE-2021-40349, a path-traversal vulnerability in e7d Speed Test version 0.5.3 that allows attackers to disclose sensitive information via a specific substring.
This CVE-2021-40349 article provides details about a path-traversal vulnerability in e7d Speed Test, leading to information disclosure.
Understanding CVE-2021-40349
This section delves into the specifics of CVE-2021-40349.
What is CVE-2021-40349?
e7d Speed Test (aka speedtest) version 0.5.3 is vulnerable to a path-traversal attack, allowing threat actors to disclose sensitive information by utilizing the "GET /.." substring.
The Impact of CVE-2021-40349
This vulnerability could result in unauthorized access to sensitive data, compromising the confidentiality of the affected systems.
Technical Details of CVE-2021-40349
In this section, the technical aspects of CVE-2021-40349 are discussed.
Vulnerability Description
The vulnerability in e7d Speed Test version 0.5.3 enables threat actors to perform a path-traversal attack, leading to information disclosure via the malicious exploitation of the "GET /.." substring.
Affected Systems and Versions
- Affected Systems: Not applicable
- Affected Versions:
- Product: Not applicable
- Version: Not applicable
Exploitation Mechanism
The exploitation of this vulnerability involves manipulating the "GET /.." substring within the e7d Speed Test software, allowing attackers to access restricted directories and exfiltrate sensitive information.
Mitigation and Prevention
Outlined below are the recommended steps to mitigate and prevent exploitation of CVE-2021-40349.
Immediate Steps to Take
- Users are advised to cease using the affected version of e7d Speed Test (0.5.3).
- Implement network-level controls to restrict unauthorized access to vulnerable resources.
Long-Term Security Practices
- Regularly monitor and update security patches for software to prevent similar vulnerabilities.
- Conduct security audits and penetration testing to identify and address potential security gaps.
Patching and Updates
Software vendors should release an updated version of e7d Speed Test that addresses the path-traversal vulnerability to ensure the security of users' data.