CVE-2018-1000077 : Vulnerability Insights and Analysis

A vulnerability in the attribute "homepage" of RubyGems specification in various Ruby versions could allow a malicious gem to set an invalid homepage URL.

Understanding CVE-2018-1000077

This CVE involves an Improper Input Validation vulnerability in RubyGems.

What is CVE-2018-1000077?

The vulnerability allows a malicious gem to assign an invalid homepage URL in RubyGems versions before trunk revision 62422.

The Impact of CVE-2018-1000077

The vulnerability could lead to security breaches and unauthorized access to systems utilizing affected Ruby versions.

Technical Details of CVE-2018-1000077

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability arises from improper input validation in the "homepage" attribute of RubyGems specification.

Affected Systems and Versions

Ruby 2.2 series: 2.2.9 and earlier
Ruby 2.3 series: 2.3.6 and earlier
Ruby 2.4 series: 2.4.3 and earlier
Ruby 2.5 series: 2.5.0 and earlier

Exploitation Mechanism

Malicious gems can exploit this vulnerability by setting an invalid homepage URL.

Mitigation and Prevention

Protect systems from CVE-2018-1000077 with these strategies.

Immediate Steps to Take

Update RubyGems to version 2.7.6 or later to mitigate the vulnerability.
Regularly monitor for security advisories and updates from RubyGems.

Long-Term Security Practices

Implement secure coding practices to prevent similar vulnerabilities.
Conduct regular security assessments and audits of RubyGems usage.

Patching and Updates

Apply patches and updates promptly to ensure system security and protection against known vulnerabilities.