ecrecover zero-address return unchecked
Compound V3 (Comet)'s assessment for RD-F-019 — scored green on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.
Evidence summary #
CometExt.sol function allowBySig uses ecrecover and immediately checks: if (signatory == address(0)) revert BadSignatory() — zero-address guard properly implemented.
Sources #
- GitHubhttps://github.com/compound-finance/comet/blob/main/contracts/CometExt.solretrieved 2026-04-28
Methodology #
Determine whether any `ecrecover` call result is used without a `!= address(0)` guard.
See the full factor methodology and distribution across all protocols →
rubric_version v1.7.0 protocol compound-v3 factor RD-F-019 score green collected_at 2026-04-28 00:20:50