CVE-2017-16341 Explained : Impact and Mitigation

Insteon Hub firmware version 1012 is vulnerable to a buffer overflow attack when an attacker sends an authenticated HTTP request. This vulnerability has a CVSS base score of 8.5.

Understanding CVE-2017-16341

This CVE involves a buffer overflow vulnerability in the Insteon Hub firmware version 1012.

What is CVE-2017-16341?

This vulnerability allows an attacker to trigger a buffer overflow by sending an authenticated HTTP request to the Insteon Hub running firmware version 1012.

The Impact of CVE-2017-16341

The vulnerability has a high severity level with a CVSS base score of 8.5. It can lead to a compromise of confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2017-16341

The technical aspects of the CVE-2017-16341 vulnerability.

Vulnerability Description

The vulnerability occurs when the value of the s_vol_play key is copied to a buffer with a maximum size of 8 bytes, leading to a buffer overflow.
The strcpy function is used to copy the value, which can be exploited by an attacker.
The buffer overflow is triggered by sending input longer than 8 bytes.
Difficulty in accurately determining the buffer's actual size due to potential global variables stored in between.

Affected Systems and Versions

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

Exploitation Mechanism

Attacker sends an authenticated HTTP request to exploit the vulnerability.
Value of s_vol_play key is copied to a buffer, causing a buffer overflow.
Buffer located at memory address 0xa0000418 with a maximum size of 8 bytes.

Mitigation and Prevention

Measures to mitigate and prevent the exploitation of CVE-2017-16341.

Immediate Steps to Take

Apply security patches provided by the vendor.
Monitor network traffic for any suspicious activities.
Restrict access to the affected system.

Long-Term Security Practices

Regularly update firmware and software to the latest versions.
Conduct security assessments and penetration testing.
Implement network segmentation to contain potential attacks.

Patching and Updates

Stay informed about security advisories from the vendor.
Apply patches promptly to address known vulnerabilities.