CVE-2018-16767 : Vulnerability Insights and Analysis

WAVM software, up until 2018-07-26, had a vulnerability that could lead to denial of service attacks and potential application crashes.

Understanding CVE-2018-16767

This CVE involves a vulnerability in the WAVM software that could result in denial of service attacks and other unforeseen consequences.

What is CVE-2018-16767?

The WAVM software, until 2018-07-26, contained a vulnerability where a specially crafted file sent to the WebAssembly Virtual Machine could cause a denial of service, potentially crashing the application. There was also a heap-buffer-overflow issue in the FunctionValidationContext::popAndValidateOperand function.

The Impact of CVE-2018-16767

The vulnerability could lead to denial of service attacks, application crashes, and other unforeseen consequences due to the heap-buffer-overflow issue.

Technical Details of CVE-2018-16767

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability in WAVM software allowed a specially modified file to be sent to the WebAssembly Virtual Machine, potentially causing denial of service and application crashes.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Not applicable

Exploitation Mechanism

The exploitation involved sending a specifically crafted file to the WebAssembly Virtual Machine, triggering the vulnerability.

Mitigation and Prevention

Protecting systems from CVE-2018-16767 is crucial to prevent potential attacks.

Immediate Steps to Take

Update the WAVM software to the latest version.
Implement network security measures to detect and block malicious file uploads.

Long-Term Security Practices

Regularly monitor for security updates and patches for the WAVM software.
Conduct security audits to identify and address vulnerabilities proactively.

Patching and Updates

Apply patches released by the software vendor promptly to address the vulnerability.