CVE-2018-7654 : Exploit Details and Defense Strategies
Learn about CVE-2018-7654 affecting 3CX 15.5.6354.2. Discover how a path traversal flaw allows unauthorized access to server files, its impact, and mitigation steps.
Devices running on 3CX 15.5.6354.2 are vulnerable to a path traversal issue that allows unauthorized access to server files.
Understanding CVE-2018-7654
What is CVE-2018-7654?
On 3CX 15.5.6354.2 devices, the "file" parameter in the request "/api/RecordingList/download?file=" enables unrestricted access to server files through path traversal.
The Impact of CVE-2018-7654
This vulnerability can lead to unauthorized disclosure of sensitive information and potential server compromise.
Technical Details of CVE-2018-7654
Vulnerability Description
The flaw in 3CX 15.5.6354.2 allows attackers to traverse the file system and access files beyond the intended directory.
Affected Systems and Versions
- Product: 3CX
- Version: 15.5.6354.2
Exploitation Mechanism
Attackers exploit the "file" parameter to manipulate paths and access files outside the designated directory.
Mitigation and Prevention
Immediate Steps to Take
- Implement input validation to restrict file access
- Apply security patches or updates from the vendor
Long-Term Security Practices
- Regularly monitor and audit file access permissions
- Conduct security assessments to identify and address similar vulnerabilities
Patching and Updates
- Stay informed about security advisories from 3CX
- Apply patches promptly to mitigate the path traversal vulnerability