CVE-2023-3247
Missing error check and insufficient random bytes in HTTP Digest authentication for SOAP
4.3
MEDIUM
CVSS 3.1
EPSS 0.71%
描述
In PHP versions 8.0.* before 8.0.29, 8.1.* before 8.1.20, 8.2.* before 8.2.7 when using SOAP HTTP Digest Authentication, random value generator was not checked for failure, and was using narrower range of values than it should have. In case of random generator failure, it could lead to a disclosure of 31 bits of uninitialized memory from the client to the server, and it also made easier to a malicious server to guess the client's nonce.
如何修補 CVE-2023-3247
要修補 CVE-2023-3247,請將受影響套件升級到下列已修補版本。
- —升級至 8.0.29 或更新版本
- —升級至 8.0.29 或更新版本
- —升級至 8.0.29 或更新版本
CVE-2023-3247 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(3)
- >= 8.0.0, < 8.0.29, >= 8.1.0, < 8.1.20, >= 8.2.0, < 8.2.7
- >= 8.0.0, < 8.0.29, >= 8.1.0, < 8.1.20, >= 8.2.0, < 8.2.7
- >= 8.0.0, < 8.0.29, >= 8.1.0, < 8.1.20, >= 8.2.0, < 8.2.7
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |