CVE-2016-0702
openssl - security update
5.1
MEDIUM
CVSS 3.1
EPSS 0.55%
描述
The MOD_EXP_CTIME_COPY_FROM_PREBUF function in crypto/bn/bn_exp.c in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g does not properly consider cache-bank access times during modular exponentiation, which makes it easier for local users to discover RSA keys by running a crafted application on the same Intel Sandy Bridge CPU core as a victim and leveraging cache-bank conflicts, aka a "CacheBleed" attack.
如何修補 CVE-2016-0702
要修補 CVE-2016-0702,請將受影響套件升級到下列已修補版本。
- —升級至 1.0.2g-1 或更新版本
- —升級至 1.0.1e-2+deb7u20 或更新版本
CVE-2016-0702 正在被利用嗎?
低 — EPSS 為 0.5%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 1.0.2g-1
- from 0, < 1.0.1e-2+deb7u20
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.1 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |