CVE-2022-43552
5.9
MEDIUM
CVSS 3.1
EPSS 2.5%
描述
A use after free vulnerability exists in curl <7.87.0. Curl can be asked to *tunnel* virtually all protocols it supports through an HTTP proxy. HTTP proxies can (and often do) deny such tunnel operations. When getting denied to tunnel the specific protocols SMB or TELNET, curl would use a heap-allocated struct after it had been freed, in its transfer shutdown code path.
如何修補 CVE-2022-43552
要修補 CVE-2022-43552,請將受影響套件升級到下列已修補版本。
- —升級至 7.79.1-r4 或更新版本
- —升級至 7.74.0-1.3+deb11u5 或更新版本
CVE-2022-43552 正在被利用嗎?
低 — EPSS 為 2.5%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 7.79.1-r4
- from 0, < 7.74.0-1.3+deb11u5
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |