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Technical Details
Vulnerability Intelligence
Miggo AI
Miggo AIMiggo AIMiggo AIRoot Cause AnalysisThe vulnerability stemmed from improper signature length comparison in the verification process. The commit diff shows the Rust implementation in webhooks.rs was modified to add a length check before byte comparison. The advisory explicitly mentions Webhook::verify as the affected function, and the patch adds a critical length equality check (x.1.len() == expected_signature.len()) to prevent partial signature matches. Multiple sources (CVE, GHSA, RustSec) confirm this function was the vulnerable entry point.
| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| svix | rust | < 1.17.0 | 1.17.0 |
RustRust