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Ruby Fixes Three Regex Engine Bugs Responsible for Four Critical GitLab RCE Flaws

The Hacker News
VulnerabilityUpdateRCECritical

Overview

Ruby has released updates to versions 4.0.9, 3.4.12, and 3.3.13 to address three bugs in the Onigmo regular expression engine. These bugs are linked to four critical vulnerabilities that GitLab recently patched. The vulnerabilities could allow attackers to craft specific patterns that may corrupt memory during the compilation process, potentially enabling remote code execution on affected servers. This issue is particularly concerning for GitLab users, as it puts their systems at risk if the vulnerabilities are exploited. Users are encouraged to update to the latest Ruby versions to mitigate these risks.

Key Takeaways

  • Affected Systems: Ruby versions 4.0.9, 3.4.12, 3.3.13; GitLab servers
  • Action Required: Update to Ruby versions 4.
  • Timeline: Disclosed on [October 2023]

Original Article Summary

Ruby has released versions 4.0.9, 3.4.12, and 3.3.13 to fix three bugs in Onigmo, the regular expression engine built into the language. The bugs lie behind four critical security flaws that GitLab patched over the past month. GitLab found that a specially crafted pattern could corrupt memory while Ruby compiles it, potentially leading to code execution on its own servers. Ruby says any

Impact

Ruby versions 4.0.9, 3.4.12, 3.3.13; GitLab servers

Exploitation Status

The exploitation status is currently unknown. Monitor vendor advisories and security bulletins for updates.

Timeline

Disclosed on [October 2023]

Remediation

Update to Ruby versions 4.0.9, 3.4.12, or 3.3.13

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Vulnerability, Update, RCE, and 1 more.

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