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Vulnerability Intelligence

Vulnerability IntelligenceCVE-2023-0567

CVE-2023-0567

HIGH8.1

password_verify() always returns true for some invalid hashes

Published Feb 16, 2023

Modified 1 years ago

Details

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.

References

https://bugs.php.net/bug.php?id=81744

https://github.com/php/php-src/security/advisories/GHSA-7fj2-8x79-rjf4

https://security.netapp.com/advisory/ntap-20230331-0008/

https://www.cve.org/CVERecord?id=CVE-2023-0567

CVSS Analysis

CVSS v3.1

7.7

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

NoneA:N

7.7/CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Ecosystems

Timeline

PublishedFeb 16, 2023

ModifiedAug 2, 2024

CVE-2023-0567 | Mondoo Vulnerability Intelligence