CVE-2021-25748
Ingress-nginx `path` sanitization can be bypassed with newline character
6.5
MEDIUM
CVSS 3.1
EPSS 0.69%
描述
A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use a newline character to bypass the sanitization of the `spec.rules[].http.paths[].path` field of an Ingress object (in the `networking.k8s.io` or `extensions` API group) to obtain the credentials of the ingress-nginx controller. In the default configuration, that credential has access to all secrets in the cluster.
如何修補 CVE-2021-25748
要修補 CVE-2021-25748,請將受影響套件升級到下列已修補版本。
- —升級至 1.2.1 或更新版本
CVE-2021-25748 正在被利用嗎?
低 — EPSS 為 0.7%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 1.2.1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |