CVE-2023-0567

Severity CVSS v4.0:

Pending analysis

Type:

CWE-916 Use of Password Hash With Insufficient Computational Effort

Publication date:

01/03/2023

Last modified:

25/02/2026

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.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 7.70 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): None

Base Score 3.x

7.70

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:php:php::::::::	8.0.0 (including)	8.0.28 (excluding)
cpe:2.3:a:php:php::::::::	8.1.0 (including)	8.1.16 (excluding)
cpe:2.3:a:php:php::::::::	8.2.0 (including)	8.2.3 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2023-0567

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools