Security context

What an agent needs to avoid regressing past fixes and find the next vuln in this repo.

ethereum/consensus-specs

              master @ 11f4434
            

Fixes

CVEs

HIGH

Peak severity

62.5%

Coverage

Highlights

Auth Bypass: 13 prior fixes. Scrutinize any change in this area.

specs/core/0_beacon-chain.md: most-fixed (7 issues). Treat as high-risk during review.

28 high-severity fixes in this history; regressions here are high-impact.

Recurring patterns

The bug types that recur here, drawn from past fixes, not open vulnerabilities.

Auth Bypass: Multiple fixes in the core spec address BLS signature verification flaws, including missing domain parameters, incorrect message content, and wrong fork-version handling, allowing signature forgery or domain confusion.

Auth Bypass: Builder bid processing lacked proper authorization checks, allowing unauthorized builders to submit bids and potentially manipulate block production.

Auth Bypass: Withdrawal and consolidation operations did not fully validate execution withdrawal credentials, allowing unauthorized withdrawals or consolidations.