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CVE-2022-29176

9.9 · CRITICAL

Rubygems is a package registry used to supply software for the Ruby language ecosystem.

Published May 5, 2022CWE-862EPSS 1.94%

Overview

CVE-2022-29176 is a critical-severity vulnerability. It was published on May 5, 2022 and has a CVSS 3.1 base score of 9.9 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Rubygems is a package registry used to supply software for the Ruby language ecosystem. Due to a bug in the yank action, it was possible for any RubyGems.org user to remove and replace certain gems even if that user was not authorized to do so. To be vulnerable, a gem needed: one or more dashes in its name creation within 30 days OR no updates for over 100 days At present, we believe this vulnerability has not been exploited. RubyGems.org sends an email to all gem owners when a gem version is published or yanked. We have not received any support emails from gem owners indicating that their gem has been yanked without authorization. An audit of gem changes for the last 18 months did not find any examples of this vulnerability being used in a malicious way. A deeper audit for any possible use of this exploit is ongoing, and we will update this advisory once it is complete. Using Bundler in --frozen or --deployment mode in CI and during deploys, as the Bundler team has always recommended,

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/rubygems/rubygems.org/security/advisories/GHSA-hccv-rwq6-vh79Refhackerone.com/bugs?subject=rubygems&report_id=1559856Refsecurity.netapp.com/advisory/ntap-20220616-0002/GitHubgithub.com/rubygems/rubygems.org/security/advisories/GHSA-hccv-rwq6-vh79Refhackerone.com/bugs?subject=rubygems&report_id=1559856Refsecurity.netapp.com/advisory/ntap-20220616-0002/

How CyberStrike helps

Frequently asked questions

What is CVE-2022-29176?

CVE-2022-29176 is a critical-severity vulnerability. It was published on May 5, 2022 and has a CVSS 3.1 base score of 9.9 (CRITICAL).

How severe is CVE-2022-29176?

This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-29176?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-29176?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-29176 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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