CVE-2019-15709 : Exploit Details and Defense Strategies
Learn about CVE-2019-15709 affecting Fortinet FortiAP-S/W2 and FortiAP-U CLI admin consoles, allowing unauthorized file manipulation. Find mitigation steps and patching advice here.
Fortinet FortiAP-S/W2 and FortiAP-U CLI admin console versions 6.2.0 to 6.2.2, 6.0.5 and earlier, and 6.0.1 and earlier, respectively, are vulnerable to inadequate input validation, potentially allowing unauthorized administrators to overwrite system files.
Understanding CVE-2019-15709
This CVE involves an improper input validation issue in Fortinet FortiAP-S/W2 and FortiAP-U CLI admin consoles.
What is CVE-2019-15709?
The vulnerability in FortiAP-S/W2 and FortiAP-U CLI admin consoles could enable unauthorized administrators to manipulate system files using crafted tcpdump commands.
The Impact of CVE-2019-15709
The vulnerability may lead to unauthorized code execution or command execution by malicious actors.
Technical Details of CVE-2019-15709
The following technical details provide insight into the vulnerability.
Vulnerability Description
The CLI admin console in FortiAP-S/W2 versions 6.2.0 to 6.2.2, 6.0.5 and earlier, and FortiAP-U version 6.0.1 and earlier, lacks proper input validation, allowing unauthorized file overwriting.
Affected Systems and Versions
- Affected Products: Fortinet FortiAP-S/W2, FortiAP-U
- Vulnerable Versions: FortiAP-S/W2 6.2.0 to 6.2.2, 6.0.5 and below, FortiAP-U 6.0.1 and below
Exploitation Mechanism
Unauthorized administrators can exploit this vulnerability by executing specially crafted tcpdump commands in the CLI, leading to system file manipulation.
Mitigation and Prevention
Protect your systems from CVE-2019-15709 with the following measures.
Immediate Steps to Take
- Apply vendor-supplied patches promptly
- Monitor network traffic for suspicious activities
- Restrict CLI access to authorized personnel
Long-Term Security Practices
- Regularly update and patch all software and firmware
- Conduct security training for administrators on best practices
- Implement network segmentation to limit the impact of potential breaches
Patching and Updates
Ensure timely installation of patches and updates provided by Fortinet to address the vulnerability.