CVE-2023-0567
Last modified
CVE-2023-0567 is a medium-severity vulnerability rated 6.2/10 on the CVSS scale. 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.. EPSS estimates a 0.94% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | >= 8.0.0, < 8.0.28 |
| Php | Php | >= 8.1.0, < 8.1.16 |
| Php | Php | >= 8.2.0, < 8.2.3 |
References
- https://bugs.php.net/bug.php?id=81744Vendor Advisory
- https://github.com/php/php-src/security/advisories/GHSA-7fj2-8x79-rjf4Exploit, Vendor Advisory
- https://bugs.php.net/bug.php?id=81744Vendor Advisory
- https://github.com/php/php-src/security/advisories/GHSA-7fj2-8x79-rjf4Exploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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