Hacking GitHub: From Tag Rewrites to Dangling Commits, Where the Git Protocol Trusts You Without Checking
📰 Dev.to · kt
Explore 13 trust boundary leaks in the Git protocol and GitHub, including tag rewrites and dangling commits, to understand potential security risks
Action Steps
- Investigate the Git protocol trust boundaries
- Analyze the impact of tag rewrites on repository security
- Identify dangling commits and their potential risks
- Review GitHub's handling of deleted repositories
- Assess the security implications of self-declared commit authors
Who Needs to Know This
Developers, DevOps engineers, and security teams can benefit from understanding these vulnerabilities to improve repository security and integrity
Key Insight
💡 The Git protocol and GitHub have trust boundaries that can be exploited, highlighting the need for increased security measures
Share This
🚨 13 Git protocol trust boundary leaks put your repos at risk! 🚨
Key Takeaways
Explore 13 trust boundary leaks in the Git protocol and GitHub, including tag rewrites and dangling commits, to understand potential security risks
Full Article
A single line of "uses: tj-actions/changed-files@v44" burned 23,000 repositories. About a year later, 75 of 76 Trivy tags were rewritten the same way. Git tags are just labels, commit authors are self-declared, and deleted repos are not actually deleted. Thirteen spots where the trust boundaries of the git protocol and GitHub leak.
DeepCamp AI