Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
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. An example leak is in crypto/paillier/paillier.go. (bnb-chain/tss-lib and thorchain/tss are also affected.)
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
tss-lib 安全漏洞
Vulnerability Description
tss-lib是IO FinNet开源的一个基于 Gennaro 和 Goldfeder 2020[1] 和 EdDSA (Edwards Curve Digital Signature Algorithm) 的多方 {t,n}- 阈值 ECDSA（椭圆曲线数字签名算法）的实现。 IO FinNet tss-lib 2.0.0之前版本存在安全漏洞。攻击者利用该漏洞通过定时边信道攻击泄露私钥的lambda值。
CVSS Information
N/A
Vulnerability Type
N/A