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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…

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.

Affected products and versions

Product Affected versions Fixed in
PHP 8.2 earliest → < 8.2.3 8.2.3
PHP 8.1 earliest → < 8.1.16 8.1.16
PHP 8.0 earliest → < 8.0.28 8.0.28
php 8.2 8.2.0 → < 8.2.3 8.2.3
php 8.1 8.1.0 → < 8.1.16 8.1.16
php 8.0 8.0.0 → < 80.28 80.28

References

Timeline

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