CVE-2018-16764 : Exploit Details and Defense Strategies

A specially created file that is sent to the WebAssembly Virtual Machine in WAVM prior to 2018-07-26 could lead to a denial of service or other uncertain consequences due to a heap-based buffer over-read.

Understanding CVE-2018-16764

This CVE involves a vulnerability in WAVM that could result in a denial of service or other potential impacts.

What is CVE-2018-16764?

CVE-2018-16764 is a vulnerability in WAVM where a specially crafted file sent to the WebAssembly Virtual Machine may cause a denial of service (application crash) or have other unspecified impacts due to a heap-based buffer over-read in IR::FunctionValidationContext::catch_all.

The Impact of CVE-2018-16764

The vulnerability could lead to a denial of service, resulting in an application crash, or potentially have other uncertain consequences.

Technical Details of CVE-2018-16764

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in WAVM through 2018-07-26 allows a crafted file to trigger a heap-based buffer over-read in IR::FunctionValidationContext::catch_all, potentially causing a denial of service or other unspecified impacts.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: All versions prior to 2018-07-26

Exploitation Mechanism

The vulnerability can be exploited by sending a specially crafted file to the WebAssembly Virtual Machine in WAVM.

Mitigation and Prevention

Protecting systems from CVE-2018-16764 is crucial to maintaining security.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Monitor for any unusual activities on the system.

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities.
Implement proper security measures to detect and mitigate similar threats.

Patching and Updates

Ensure that the system is updated with the latest patches and security fixes to address the CVE-2018-16764 vulnerability.