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CVE-2023-0567

nvd nist
Published: Mar 1, 2023Modified: Jul 19, 2026

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6.2
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Exploitability: 2.5 / Impact: 3.6
Source: NVD

Description

In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, password_verify() function may accept some invalid Blowfish hashes as valid. If such invalid hash ever ends up in the password database, it may lead to an application allowing any password for this entry as valid.

Affected (3)

Products: Php: Php
Php
1 product
Php
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Php
Php
From 8.0.0 to 8.0.28
Php
From 8.1.0 to 8.1.16
Php
From 8.2.0 to 8.2.3

Related CWEs

CWE-916
Use of Password Hash With Insufficient Computational Effort
The product generates a hash for a password, but it uses a scheme that does not provide a sufficient level of computational effort that would make password cracking attacks infeasible or expensive.

References (5)

Source: security@php.net
Vendor Advisory
Source: security@php.net
ExploitVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.