CVE-2021-20305
HIGH8.1EPSS 0.14%nettle - security update
發布日:2021/4/5修改日:2025/12/3
也稱為:ALPINE-CVE-2021-20305
描述
A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions (GOST DSA, EDDSA & ECDSA) result in the Elliptic Curve Cryptography point (ECC) multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allows an attacker to force an invalid signature, causing an assertion failure or possible validation. The highest threat to this vulnerability is to confidentiality, integrity, as well as system availability.
受影響套件(4)
- Alpine/nettlefrom 0, < 3.7.2-r0
- Debian/nettlefrom 0, < 3.7.2-1
- Debian/nettlefrom 0, < 3.3-1+deb9u1
- Debian/nettlefrom 0, < 3.4.1-1+deb10u1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |