Home/CVE/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 inval
CVE

CVE-2023-0567

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 inval

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.

HIGH · CVSS 7.7 EPSS 0.00142
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-916Use of Password Hash With Insufficient Computational Effort
CWE-916Use of Password Hash With Insufficient Computational Effort
▤

Affected Products & Versions

3
php>= 8.0.0 and < 8.0.28
php>= 8.1.0 and < 8.1.16
php>= 8.2.0 and < 8.2.3
⚠

Public Exploits & PoCs

1
pocgithub.com · GHSA-7fj2-8x79-rjf4github.com
▣

Scoring & Timeline

7.7
HIGH · CVSS v3.1 · security@php.net
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 Mar 2023 · 08:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

16
rhsaRHSA-2024:10952Low
suse-csafopenSUSE-SU-2024:12711-1
siemens-csafSSA-806742
rhsaRHSA-2024:0387Moderate
rhsaRHSA-2023:5927Moderate
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugs.php.net/bug.php?id=81744Vendor Advisory
https://security.netapp.com/advisory/ntap-20230331-0008/
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