CVE-2017-16318 : Security Advisory and Response
Learn about CVE-2017-16318, a high-severity vulnerability in Insteon Hub firmware version 1012 allowing for a stack-based buffer overflow exploit. Find out how to mitigate and prevent this security risk.
CVE-2017-16318 is a vulnerability in the PubNub message handler for the "cc" channel of Insteon Hub firmware version 1012, allowing for a stack-based buffer overflow exploit.
Understanding CVE-2017-16318
This CVE involves a vulnerability in Insteon Hub firmware version 1012 that can be exploited through buffer overflow.
What is CVE-2017-16318?
The vulnerability allows an attacker to overwrite arbitrary data in a stack-based buffer overflow by sending specially crafted commands via the PubNub service.
The Impact of CVE-2017-16318
The vulnerability has a CVSS base score of 8.5, indicating a high severity level with significant impacts on confidentiality, integrity, and availability.
Technical Details of CVE-2017-16318
This section provides detailed technical information about the vulnerability.
Vulnerability Description
- The vulnerability exists in the PubNub message handler for the "cc" channel of Insteon Hub firmware version 1012.
- Exploitation involves overwriting data in a stack-based buffer overflow.
Affected Systems and Versions
- Vendor: Insteon
- Product: Hub
- Affected Version: Not specified
Exploitation Mechanism
- Attacker needs to send authenticated HTTP requests with specially crafted commands via the PubNub service.
- The vulnerability occurs in the cmd s_sonos, where a buffer overflow is triggered by copying data to a buffer of limited size.
Mitigation and Prevention
Protecting systems from CVE-2017-16318 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor patches and updates promptly.
- Monitor network traffic for any suspicious activities.
- Restrict access to vulnerable systems.
Long-Term Security Practices
- Implement strong authentication mechanisms.
- Conduct regular security assessments and penetration testing.
- Educate users and administrators on secure coding practices.
Patching and Updates
- Stay informed about security advisories from the vendor.
- Regularly update and patch all software and firmware to mitigate known vulnerabilities.