CVE-2017-17867 : Vulnerability Insights and Analysis
Learn about CVE-2017-17867 affecting Inteno iopsys devices, allowing remote authenticated users to run unauthorized OS commands. Find mitigation steps and prevention measures.
Inteno iopsys devices are vulnerable to remote code execution due to a flaw that allows authenticated users to run unauthorized operating system commands.
Understanding CVE-2017-17867
This CVE identifies a security vulnerability in Inteno iopsys 2.0-3.14 and 4.0 devices that enables remote authenticated users to execute arbitrary OS commands.
What is CVE-2017-17867?
The vulnerability arises from the ability of authenticated users to manipulate the leasetrigger field in the odhcpd configuration file, allowing them to specify and run unauthorized programs, even if stored on an SMB share. The issue is attributed to the lack of security measures in the OpenWrt configuration.
The Impact of CVE-2017-17867
The vulnerability poses a significant risk as it enables attackers to execute malicious commands on affected devices, potentially leading to unauthorized access, data theft, or further compromise of the system.
Technical Details of CVE-2017-17867
This section delves into the specific technical aspects of the CVE.
Vulnerability Description
The flaw in Inteno iopsys devices allows remote authenticated users to execute unauthorized OS commands by modifying the leasetrigger field in the odhcpd configuration file.
Affected Systems and Versions
- Inteno iopsys 2.0-3.14 and 4.0 devices
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating the odhcpd configuration file to specify a program of their choice, even if it is located on an SMB share.
Mitigation and Prevention
Protecting systems from CVE-2017-17867 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Monitor network traffic for any suspicious activities.
- Restrict access to vulnerable devices.
Long-Term Security Practices
- Regularly update and patch all software and firmware on network devices.
- Implement strong authentication mechanisms and access controls.
- Conduct regular security audits and penetration testing.
Patching and Updates
- Stay informed about security updates and advisories from Inteno.
- Apply patches and firmware updates as soon as they are released to mitigate the vulnerability.