CVE-2019-12523
9.1
CRITICAL
CVSS 3.1
EPSS 4.3%
描述
An issue was discovered in Squid before 4.9. When handling a URN request, a corresponding HTTP request is made. This HTTP request doesn't go through the access checks that incoming HTTP requests go through. This causes all access checks to be bypassed and allows access to restricted HTTP servers, e.g., an attacker can connect to HTTP servers that only listen on localhost.
如何修補 CVE-2019-12523
要修補 CVE-2019-12523,請將受影響套件升級到下列已修補版本。
- —升級至 4.9-1 或更新版本
CVE-2019-12523 正在被利用嗎?
低 — EPSS 為 4.3%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 4.9-1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |