CVE-2019-7384 : Exploit Details and Defense Strategies
Discover the impact of CVE-2019-7384, an authenticated shell command injection vulnerability in Raisecom ISCOM GPON devices, allowing code execution. Learn about affected systems, exploitation, and mitigation steps.
A security vulnerability has been found in Raisecom ISCOM GPON devices, allowing authenticated code execution due to a command injection issue.
Understanding CVE-2019-7384
What is CVE-2019-7384?
An authenticated shell command injection vulnerability affecting Raisecom ISCOM GPON devices with specific firmware versions.
The Impact of CVE-2019-7384
The absence of input validation in the fmgpon_loid parameter enables authenticated code execution on the affected devices.
Technical Details of CVE-2019-7384
Vulnerability Description
The issue lies in the fmgpon_loid parameter used in a system call within the boa binary, leading to authenticated code execution.
Affected Systems and Versions
- Raisecom ISCOM HT803G-U, HT803G-W, HT803G-1GE, and HT803G GPON devices
- Firmware version ISCOMHT803G-U_2.0.0_140521_R4.1.47.002 or earlier
Exploitation Mechanism
The vulnerability allows attackers to execute arbitrary code on the device after successful authentication.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor-supplied patches or firmware updates promptly
- Implement strong authentication mechanisms
- Monitor network traffic for any suspicious activities
Long-Term Security Practices
- Regularly update firmware and software to address security vulnerabilities
- Conduct security assessments and penetration testing periodically
Patching and Updates
- Check for security advisories from the vendor
- Apply patches or updates as soon as they are available