CVE-2021-3672
c-ares - security update
5.6
MEDIUM
CVSS 3.1
EPSS 2.6%
描述
A flaw was found in c-ares library, where a missing input validation check of host names returned by DNS (Domain Name Servers) can lead to output of wrong hostnames which might potentially lead to Domain Hijacking. The highest threat from this vulnerability is to confidentiality and integrity as well as system availability.
如何修補 CVE-2021-3672
要修補 CVE-2021-3672,請將受影響套件升級到下列已修補版本。
- —升級至 1.17.2-r0 或更新版本
- —升級至 12.22.5-r0 或更新版本
CVE-2021-3672 正在被利用嗎?
低 — EPSS 為 2.6%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- >= 1.0.0, < 1.17.2-r0
- from 0, < 12.22.5-r0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.6 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |