CVE-2021-38195
CRITICAL9.8EPSS 0.17%libsecp256k1 allows overflowing signatures
發布日:2021/8/25修改日:2023/11/8
描述
libsecp256k1 accepts signatures whose R or S parameter is larger than the secp256k1 curve order, which differs from other implementations. This could lead to invalid signatures being verified. The error is resolved in 0.5.0 by adding a `check_overflow` flag.
受影響套件(2)
- crates.io/libsecp256k1from 0, < 0.5.0
- crates.io/libsecp256k1>= 0.0.0-0, < 0.5.0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |