CVE-2019-19117 : Vulnerability Insights and Analysis
Learn about CVE-2019-19117, a critical vulnerability in PHICOMM K2(PSG1218) V22.5.9.163 devices allowing remote authenticated users to execute commands. Find out how to mitigate the risk and apply necessary patches.
A vulnerability in PHICOMM K2(PSG1218) V22.5.9.163 devices allows remote authenticated users to execute arbitrary commands through shell metacharacters.
Understanding CVE-2019-19117
What is CVE-2019-19117?
The vulnerability enables authenticated remote users to run commands on the affected devices using shell metacharacters in a specific parameter.
The Impact of CVE-2019-19117
The vulnerability poses a significant security risk as it allows unauthorized command execution on the affected devices.
Technical Details of CVE-2019-19117
Vulnerability Description
The flaw exists in the cgi-bin/luci autoUpTime parameter in the /usr/lib/lua/luci/controller/admin/autoupgrade.lua file, enabling command execution.
Affected Systems and Versions
- Product: PHICOMM K2(PSG1218) V22.5.9.163
- Vendor: PHICOMM
- Version: V22.5.9.163
Exploitation Mechanism
The vulnerability is exploited by authenticated remote users injecting shell metacharacters into the autoUpTime parameter.
Mitigation and Prevention
Immediate Steps to Take
- Implement access controls to restrict unauthorized access
- Regularly monitor and audit system logs for suspicious activities
Long-Term Security Practices
- Conduct regular security assessments and penetration testing
- Keep systems and software up to date with the latest patches
- Educate users on secure coding practices
Patching and Updates
Apply patches provided by PHICOMM to address the vulnerability.