Vulnerability in Php
CVE-2023-3247
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.
EPSS: 0.007 (50.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.6 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N.
Affected products
Weakness classification (CWE)
References
- security@php.net (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-3247?
- CVE-2023-3247 is a low-severity vulnerability in Php, classified under CWE-252. CVSS score: 2.6/10. Published 2023-07-22.
- How severe is CVE-2023-3247?
- Low severity. CVSS v3 base score is 2.6 out of 10.