CVE-2024-3096CWE-20

PHP function password_verify can erroneously return true when argument contains NUL

Medium · published April 29, 2024

CVSS v3.1
6.5
EPSS
1%
Percentile
73.9
In the wild
Unconfirmed
What it is

In PHP  version 8.1.* before 8.1.28, 8.2.* before 8.2.18, 8.3.* before 8.3.5, if a password stored with password_hash() starts with a null byte (\x00), testing a blank string as the password via password_verify() will incorrectly return true.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.01492 · 73.9th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2024-04-29T03:42Z
EPSS history
Timeline
  • 29 APR 03:42Z
    PHP function password_verify can erroneously return true when argument contains NUL
    cvelistv5