CVE-2018-7300 : What You Need to Know
Learn about CVE-2018-7300 affecting eQ-3 AG Homematic CCU2 versions 2.29.2 and earlier. Discover how remote attackers can execute arbitrary code on the device's filesystem.
CVE-2018-7300 was published on February 22, 2018, and affects eQ-3 AG Homematic CCU2 versions 2.29.2 and earlier. This vulnerability allows remote attackers to execute arbitrary code on the device's filesystem.
Understanding CVE-2018-7300
This CVE entry highlights a critical security flaw in the User.setLanguage method of eQ-3 AG Homematic CCU2.
What is CVE-2018-7300?
The vulnerability in the User.setLanguage method in eQ-3 AG Homematic CCU2 2.29.2 and earlier versions enables remote attackers to perform directory traversal, arbitrary file writing, and remote code execution on the device's filesystem. Unauthorized individuals with web interface access can exploit this flaw.
The Impact of CVE-2018-7300
The vulnerability allows attackers to write arbitrary files to the device's filesystem, potentially leading to unauthorized access and control of the system.
Technical Details of CVE-2018-7300
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The flaw in the User.setLanguage method of eQ-3 AG Homematic CCU2 allows remote attackers to write arbitrary files to the device's filesystem, leading to potential remote code execution.
Affected Systems and Versions
- Product: eQ-3 AG Homematic CCU2
- Versions affected: 2.29.2 and earlier
Exploitation Mechanism
Attackers with web interface access can exploit this vulnerability to perform directory traversal, arbitrary file writing, and remote code execution on the device.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.
Immediate Steps to Take
- Update to the latest version of eQ-3 AG Homematic CCU2 that includes a patch for CVE-2018-7300.
- Restrict access to the web interface to authorized users only.
Long-Term Security Practices
- Regularly monitor for security updates and patches for the affected system.
- Implement network segmentation to limit the impact of potential attacks.
Patching and Updates
Ensure timely installation of security patches and updates provided by the vendor to mitigate the risk of exploitation.