CVE-2017-16343 : Security Advisory and Response

This CVE-2017-16343 article provides insights into a vulnerability affecting Insteon Hub firmware version 1012, leading to a buffer overflow.

Understanding CVE-2017-16343

This section delves into the details of the CVE-2017-16343 vulnerability affecting Insteon Hub firmware version 1012.

What is CVE-2017-16343?

CVE-2017-16343 is a vulnerability in Insteon Hub firmware version 1012 that allows an attacker to trigger a buffer overflow by sending an authenticated HTTP request.

The Impact of CVE-2017-16343

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-2017-16343

This section provides technical insights into the CVE-2017-16343 vulnerability.

Vulnerability Description

The vulnerability occurs when the value for the s_vol_brt_delta key at address 0x9d01c284 is copied into a buffer at address 0xa0000510 using the strcpy function, causing a buffer overflow due to the buffer's size exceeding 4 bytes.

Affected Systems and Versions

Product: Insteon
Vendor: Insteon
Versions Affected: Insteon Hub 2245-222 - Firmware version 1012

Exploitation Mechanism

The vulnerability can be exploited by an attacker sending an authenticated HTTP request to trigger the buffer overflow in Insteon Hub firmware version 1012.

Mitigation and Prevention

In this section, we discuss steps to mitigate and prevent the CVE-2017-16343 vulnerability.

Immediate Steps to Take

Update the firmware to a patched version that addresses the buffer overflow issue.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly monitor and update firmware to ensure the latest security patches are applied.
Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security advisories from the vendor and apply patches promptly to secure the system against known vulnerabilities.