CVE-2023-3247

LOW

PHP <8.0.29, <8.1.20, <8.2.7 - Info Disclosure

Title source: llm
STIX 2.1

Description

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. 

Scores

CVSS v3 2.6
EPSS 0.0023
EPSS Percentile 46.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-252 CWE-330
Status published
Products (1)
php/php 8.0.0 - 8.0.29
Published Jul 22, 2023
Tracked Since Feb 18, 2026