CVE-2018-1000075 : What You Need to Know

This CVE involves a vulnerability in the tar header of the Ruby gem package in various RubyGems versions. The issue could potentially lead to an infinite loop. The vulnerability was addressed in version 2.7.6.

Understanding CVE-2018-1000075

This CVE pertains to a negative size vulnerability in the tar header of the Ruby gem package in specific RubyGems versions.

What is CVE-2018-1000075?

The vulnerability in the RubyGems versions mentioned could result in an infinite loop due to a negative size in the tar header of the Ruby gem package.

The Impact of CVE-2018-1000075

The vulnerability could potentially lead to an infinite loop, impacting the stability and performance of systems using the affected RubyGems versions.

Technical Details of CVE-2018-1000075

This section provides more technical insights into the CVE.

Vulnerability Description

The negative size vulnerability in the tar header of the Ruby gem package in RubyGems versions 2.2.9 and earlier in the Ruby 2.2 series, versions 2.3.6 and earlier in the Ruby 2.3 series, versions 2.4.3 and earlier in the Ruby 2.4 series, and versions 2.5.0 and earlier in the Ruby 2.5 series could result in an infinite loop.

Affected Systems and Versions

RubyGems versions 2.2.9 and earlier in the Ruby 2.2 series
RubyGems versions 2.3.6 and earlier in the Ruby 2.3 series
RubyGems versions 2.4.3 and earlier in the Ruby 2.4 series
RubyGems versions 2.5.0 and earlier in the Ruby 2.5 series

Exploitation Mechanism

The vulnerability is exploited by manipulating the negative size in the tar header of the Ruby gem package, triggering an infinite loop.

Mitigation and Prevention

Protecting systems from CVE-2018-1000075 requires specific actions.

Immediate Steps to Take

Update RubyGems to version 2.7.6 or later to mitigate the vulnerability.
Monitor for any unusual system behavior that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update software and dependencies to ensure the latest security patches are applied.
Conduct security assessments and audits to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security advisories and updates from RubyGems and related vendors to apply patches promptly.