🔒 [Security Fix] Remove insecure btoa fallback for webhook signatures#1210
🔒 [Security Fix] Remove insecure btoa fallback for webhook signatures#1210Hardonian wants to merge 1 commit into
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🔒 Release Safety Check Results✅ Safety Checks Passed {"code":"NOT_FOUND","message":"Requested function was not found"} |
🔍 Classification Check Results
✅ No violations detected. Safe to merge! |
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| throw new Error( | ||
| "Secure crypto implementation is required but not available in this environment." | ||
| ); |
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In the published package path (main/exports point at dist/index.js, and files includes dist), consumers never execute this changed source unless they rebuild from source. Since packages/react-settler/dist/utils/webhooks.js still has return btoa(message + this.secret).substring(0, 64), installs from this commit keep the insecure fallback despite this change, so the security fix is ineffective for normal package consumers. Please regenerate/update the tracked dist output with the source change.
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Closed during PR cleanup: mergeable=CONFLICTING base=main. Reopen only with a current verified change. |
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🎯 What: The
⚠️ Risk:
WebhookManagerin@settler/react-settlerused an insecurebtoa(message + this.secret)implementation to generate signatures in environments wherecrypto.subtlewas unavailable.btoaonly performs base64 encoding, providing no cryptographic security. An attacker could trivially forge webhook signatures by base64 encoding the payload with a guessed or empty secret, or recover the secret from a base64 decoded signature.🛡️ Solution: Removed the insecure fallback completely and replaced it with a fast-fail exception (
throw new Error(...)) that strictly enforces the requirement for a secure crypto implementation.PR created automatically by Jules for task 11518528861325700310 started by @Hardonian