BIT-php-2023-0567

vendorUSosv

password_verify() always returns true for some invalid hashes

view advisory published 2024-03-06Licence: per source

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2023-0567US	medium6.2	0.92% (60th)	—	2023-03-01
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…

references

External citations — patches, advisories, analysis.

https://bugs.php.net/bug.php?id=81744ADVISORY
https://github.com/php/php-src/security/advisories/GHSA-7fj2-8x79-rjf4ADVISORY
https://nvd.nist.gov/vuln/detail/CVE-2023-0567WEB
https://security.netapp.com/advisory/ntap-20230331-0008/WEB

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