CVE-2018-5740
bind9 - security update
7.5
HIGH
CVSS 3.1
EPSS 59.4%
描述
"deny-answer-aliases" is a little-used feature intended to help recursive server operators protect end users against DNS rebinding attacks, a potential method of circumventing the security model used by client browsers. However, a defect in this feature makes it easy, when the feature is in use, to experience an assertion failure in name.c. Affects BIND 9.7.0->9.8.8, 9.9.0->9.9.13, 9.10.0->9.10.8, 9.11.0->9.11.4, 9.12.0->9.12.2, 9.13.0->9.13.2.
如何修補 CVE-2018-5740
要修補 CVE-2018-5740,請將受影響套件升級到下列已修補版本。
- —升級至 9.12.2_p1-r0 或更新版本
CVE-2018-5740 正在被利用嗎?
可能 — EPSS 為 59.4%,屬於高被利用機率區間,建議優先修補。
受影響套件(1)
- >= 9.7.0, < 9.12.2_p1-r0
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:N/A:H |