CVE-2018-17143 : Security Advisory and Response

A mishandling issue in the html package (x/net/html) in Go up until 2018-09-17 can lead to a runtime error, affecting the inBodyIM function within parse.go.

Understanding CVE-2018-17143

This CVE involves a vulnerability in the html package in Go that can result in a panic: runtime error.

What is CVE-2018-17143?

The html package in Go mishandles specific input, causing a runtime error during an html.Parse call.

The Impact of CVE-2018-17143

The vulnerability can lead to a panic: runtime error, affecting the inBodyIM function within parse.go.

Technical Details of CVE-2018-17143

This section provides technical details of the CVE.

Vulnerability Description

The mishandling issue in the html package in Go can trigger a runtime error during an html.Parse call.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability occurs due to mishandling of specific input, leading to a panic: runtime error.

Mitigation and Prevention

Protecting systems from the CVE is crucial.

Immediate Steps to Take

Update the Go html package to a patched version.
Monitor for any unusual runtime errors in the affected function.

Long-Term Security Practices

Regularly update software packages to address known vulnerabilities.
Conduct code reviews to identify and rectify potential mishandling issues.

Patching and Updates

Apply patches provided by the Go community to fix the mishandling issue in the html package.