CVE-2023-27536
5.9
MEDIUM
CVSS 3.1
EPSS 1.6%
描述
An authentication bypass vulnerability exists libcurl <8.0.0 in the connection reuse feature which can reuse previously established connections with incorrect user permissions due to a failure to check for changes in the CURLOPT_GSSAPI_DELEGATION option. This vulnerability affects krb5/kerberos/negotiate/GSSAPI transfers and could potentially result in unauthorized access to sensitive information. The safest option is to not reuse connections if the CURLOPT_GSSAPI_DELEGATION option has been changed.
如何修補 CVE-2023-27536
要修補 CVE-2023-27536,請將受影響套件升級到下列已修補版本。
- —升級至 8.0.1-r0 或更新版本
- —升級至 7.74.0-1.3+deb11u8 或更新版本
CVE-2023-27536 正在被利用嗎?
低 — EPSS 為 1.6%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 8.0.1-r0
- from 0, < 7.74.0-1.3+deb11u8
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:H/I:N/A:N |