How We Exploited CodeRabbit: From a Simple PR to RCE and Write Access on 1M Repositories
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Security researchers discovered a critical vulnerability in CodeRabbit, an AI code review tool, that allowed remote code execution through malicious Ruby extensions in Rubocop configuration files. By creating a pull request with crafted .rubocop.yml and ext.rb files, attackers could execute arbitrary code on CodeRabbit's
Table of contents
IntroductionWhat is CodeRabbit?Trying out CodeRabbitExploiting external toolsUnpacking what we foundGetting Read/write access to 1M repositoriesProof of conceptLeaking CodeRabbit’s private repositoriesImpacts summaryContext is keyRemediationResponsible disclosureConclusionsSort: