CVE-2018-6692 : Vulnerability Insights and Analysis

Belkin's Wemo Insight Smart Plug is affected by a remote code execution vulnerability due to a stack-based buffer overflow in libUPnPHndlr.so. This allows remote attackers to bypass local security measures by sending a specifically crafted HTTP post packet.

Understanding CVE-2018-6692

This CVE involves a critical vulnerability in the Wemo Insight Smart Plug that can be exploited remotely.

What is CVE-2018-6692?

The vulnerability in libUPnPHndlr.so in Belkin Wemo Insight Smart Plug is a stack-based buffer overflow that enables remote attackers to bypass local security protection by sending a carefully designed HTTP post packet.

The Impact of CVE-2018-6692

CVSS Base Score: 5.9 (Medium Severity)
Attack Vector: Network
Attack Complexity: High
Integrity Impact: High
The vulnerability does not require user interaction and does not impact confidentiality or availability.

Technical Details of CVE-2018-6692

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability is a stack-based buffer overflow in libUPnPHndlr.so in the Wemo Insight Smart Plug.

Affected Systems and Versions

Affected Platform: MIPS
Product: Wemo Insight Smart Plug
Vendor: Belkin
Affected Version: WeMo_WW_2.00.11054.PVT-OWRT-Insight (<= 2.00.11054)

Exploitation Mechanism

The vulnerability allows remote attackers to execute arbitrary code by sending a specially crafted HTTP post packet.

Mitigation and Prevention

Protecting systems from this vulnerability is crucial to ensure security.

Immediate Steps to Take

Update the affected Wemo Insight Smart Plug to a non-vulnerable version.
Implement network segmentation to limit exposure.

Long-Term Security Practices

Regularly monitor for security updates and patches.
Conduct security assessments to identify and mitigate similar vulnerabilities.

Patching and Updates

Apply security patches provided by Belkin promptly to address the vulnerability.