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 statem…
CVSS 3.1CRITICAL 9.1·Network·No auth·No interaction·EPSS 0.00864·Published 2023-04-21·Fixed in 2.0.0CWE-203
io.finnet tss-lib before 2.0.0 can leak the lambda value of a private key via a timing side-channel attack because it relies on Go big.Int, which is not constant time for Cmp, modular exponentiation, or modular inverse.
CVSS 3.1HIGH 7.5·Network·No auth·No interaction·EPSS 0.00864·Published 2023-04-21·Fixed in 1.3.6-0.20230324145555-bb6fb30bd3ebCWE-203