CVE-2018-16768 : Security Advisory and Response

WebAssembly Virtual Machine (WAVM) until 2018-07-26 is vulnerable to a denial of service attack due to a heap-buffer-overflow condition.

Understanding CVE-2018-16768

The vulnerability in WAVM could lead to a crash of the application and potentially other impacts.

What is CVE-2018-16768?

The WebAssembly Virtual Machine (WAVM) until 2018-07-26 is susceptible to a denial of service attack caused by a maliciously crafted file, potentially leading to application crashes.

The Impact of CVE-2018-16768

The vulnerability presents a risk of a denial of service attack and other unspecified impacts due to a heap-buffer-overflow condition in IR::FunctionValidationContext::end.

Technical Details of CVE-2018-16768

WebAssembly Virtual Machine (WAVM) vulnerability details.

Vulnerability Description

A denial of service vulnerability in WAVM due to a heap-buffer-overflow condition.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited by sending a crafted file to the WebAssembly Virtual Machine, triggering the denial of service attack.

Mitigation and Prevention

Steps to mitigate the CVE-2018-16768 vulnerability.

Immediate Steps to Take

Apply security patches or updates provided by the vendor.
Monitor for any unusual activity that could indicate an exploit attempt.

Long-Term Security Practices

Regularly update software and systems to patch known vulnerabilities.
Implement proper input validation to prevent malicious inputs.
Conduct security assessments and audits regularly to identify and address vulnerabilities.

Patching and Updates

Check for security advisories from the vendor and apply patches promptly to mitigate the vulnerability.