![]() Users are advised to validate their local gems.Įfibootguard is a simple UEFI boot loader with support for safely switching between current and updated partition sets. No action is required on the part of the user. The issue has been patched with improved input validation and the changes are live. Neither this tool nor anything else can prove you were not exploited, but the can assist your investigation by quickly comparing RubyGems API-provided checksums with the checksums of files on your disk. ![]() You can use it by running: `bundle add bundler-integrity` followed by `bundle exec bundler-integrity`. gem files match the checksums recorded in the database. RubyGems contributor Maciej Mensfeld wrote a tool to automatically check that all downloaded. gems have a checksum that matches the checksum recorded in the database. ![]() The easiest way to ensure that a user's applications were not exploited by this vulnerability is to check that all of your downloaded. As a result, we believe this vulnerability was _not_ exploited. The maintainers have checked all gems matching the `/-\d/` pattern and can confirm that no unexpected `.gem`s were found. Insufficient input validation allowed malicious actors to replace any uploaded gem version that had a platform, version number, or gem name matching `/-\d/`, permanently replacing the legitimate upload in the canonical gem storage bucket, and triggering an immediate CDN purge so that the malicious gem would be served immediately. is the Ruby community's primary gem (library) hosting service.
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