CVE-2023-6927
keycloak-core: open redirect via "form_post.jwt" JARM response mode
4.6
MEDIUM
CVSS 3.1
EPSS 1.1%
描述
An incomplete fix was found in Keycloak Core patch. An attacker can steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt". It is observed that changing the response_mode parameter in the original proof of concept from "form_post" to "form_post.jwt" can bypass the security patch implemented to address CVE-2023-6134.
如何修補 CVE-2023-6927
要修補 CVE-2023-6927,請將受影響套件升級到下列已修補版本。
- —升級至 23.0.4 或更新版本
CVE-2023-6927 正在被利用嗎?
低 — EPSS 為 1.1%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 23.0.4
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.6 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N |