CVE-2020-24375 : What You Need to Know
Learn about CVE-2020-24375, a DNS rebinding vulnerability in Freebox Server before 4.2.3. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A DNS rebinding vulnerability in the UPnP MediaServer implementation in Freebox Server before 4.2.3.
Understanding CVE-2020-24375
A DNS rebinding vulnerability affecting Freebox Server before version 4.2.3.
What is CVE-2020-24375?
This CVE refers to a vulnerability in the UPnP MediaServer implementation in Freebox Server, allowing DNS rebinding attacks.
The Impact of CVE-2020-24375
The vulnerability could be exploited by attackers to perform DNS rebinding attacks, potentially leading to unauthorized access to sensitive information or control of the affected system.
Technical Details of CVE-2020-24375
A DNS rebinding vulnerability in the UPnP MediaServer implementation in Freebox Server.
Vulnerability Description
The vulnerability allows malicious actors to conduct DNS rebinding attacks on Freebox Server instances.
Affected Systems and Versions
- Product: Freebox Server
- Versions affected: Before 4.2.3
Exploitation Mechanism
Attackers can exploit this vulnerability to trick a user's browser into making requests to resources controlled by the attacker, potentially leading to unauthorized access.
Mitigation and Prevention
Steps to address and prevent exploitation of CVE-2020-24375.
Immediate Steps to Take
- Update Freebox Server to version 4.2.3 or later to mitigate the vulnerability.
- Monitor network traffic for any suspicious activity that could indicate a DNS rebinding attack.
Long-Term Security Practices
- Regularly update and patch software to protect against known vulnerabilities.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
Ensure timely installation of security patches and updates to prevent exploitation of known vulnerabilities.