CVE-2018-18471 Explained : Impact and Mitigation
Learn about CVE-2018-18471, a critical vulnerability in Axentra firmware allowing remote command execution. Find out how to mitigate and prevent exploitation.
A vulnerability in Axentra firmware allows remote attackers to execute commands with root privileges through XXE and SSRF bugs.
Understanding CVE-2018-18471
This CVE involves a critical security issue in Axentra firmware that impacts various devices like NETGEAR Stora, Seagate GoFlex Home, and MEDION LifeCloud.
What is CVE-2018-18471?
The vulnerability lies in the /api/2.0/rest/aggregator/xml endpoint of Axentra firmware, enabling attackers to exploit XXE and SSRF bugs for remote command execution with root privileges.
The Impact of CVE-2018-18471
By leveraging this vulnerability, malicious actors can execute commands with elevated permissions on affected devices, compromising their security and integrity.
Technical Details of CVE-2018-18471
This section delves into the specifics of the vulnerability.
Vulnerability Description
The vulnerability in Axentra firmware allows for XXE exploitation, which, when combined with an SSRF bug, permits remote command execution as root.
Affected Systems and Versions
Devices such as NETGEAR Stora, Seagate GoFlex Home, and MEDION LifeCloud utilizing Axentra firmware are vulnerable to this exploit.
Exploitation Mechanism
The vulnerability can be triggered remotely by anyone with knowledge of the IP address of the susceptible device, enabling unauthorized command execution.
Mitigation and Prevention
Protecting systems from CVE-2018-18471 is crucial to prevent unauthorized access and potential damage.
Immediate Steps to Take
- Disable access to the vulnerable endpoint /api/2.0/rest/aggregator/xml
- Implement network segmentation to restrict access to critical devices
- Regularly monitor network traffic for suspicious activities
Long-Term Security Practices
- Keep firmware and software up to date to patch known vulnerabilities
- Conduct regular security audits and penetration testing to identify weaknesses
- Educate users on safe practices to prevent social engineering attacks
Patching and Updates
Ensure timely installation of security patches and updates provided by the device manufacturers to mitigate the CVE-2018-18471 vulnerability.