CVE-2020-15309
7.0
HIGH
CVSS 3.1
EPSS 0.34%
描述
An issue was discovered in wolfSSL before 4.5.0, when single precision is not employed. Local attackers can conduct a cache-timing attack against public key operations. These attackers may already have obtained sensitive information if the affected system has been used for private key operations (e.g., signing with a private key).
如何修補 CVE-2020-15309
要修補 CVE-2020-15309,請將受影響套件升級到下列已修補版本。
- Debian/wolfssl—升級至 4.5.0+dfsg-1 或更新版本
CVE-2020-15309 正在被利用嗎?
低 — EPSS 為 0.3%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 4.5.0+dfsg-1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |