| Package | Affected versions | Patched versions |
|---|---|---|
| github.com/binance-chain/tss-lib | < 2.0.0all versions | 2.0.0 |
| github.com/bnb-chain/tss-lib | < 1.3.6-0.20230324145555-bb6fb30bd3eb< 2.0.0 | 1.3.6-0.20230324145555-bb6fb30bd3eb2.0.0 |
| tss-lib | < 2.0.0 | 2.0.0 |
io.finnet tss-lib before 2.0.0 can leak a secret key via a timing side-channel attack because it relies on the scalar-multiplication implementation in Go crypto/elliptic, which is not constant time (there is an if statement in a loop). One leak is in ecdsa/keygen/round_2.go. (bnb-chain/tss-lib and thorchain/tss are also affected.)
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