CVE-2019-10190
knot-resolver - security update
7.5
HIGH
CVSS 3.1
EPSS 2.0%
描述
A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of sending a SERVFAIL packet. Caching is not affected by this particular bug but see CVE-2019-10191.
如何修補 CVE-2019-10190
要修補 CVE-2019-10190,請將受影響套件升級到下列已修補版本。
- —升級至 5.0.1-1 或更新版本
- —升級至 3.2.1-3+deb10u2 或更新版本
CVE-2019-10190 正在被利用嗎?
低 — EPSS 為 2.0%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 5.0.1-1
- from 0, < 3.2.1-3+deb10u2
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |