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CVE-2023-0567

Public on 2023-02-19
Modified on 2024-01-12
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.

Severity
Medium
See what this means
CVSS v3 Base Score
6.2
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Php8.0 Extra php 2023-08-21 21:00 ALAS2PHP8.0-2023-002
Amazon Linux 2 - Php8.1 Extra php 2023-08-21 21:00 ALAS2PHP8.1-2023-002
Amazon Linux 2 - Php8.2 Extra php 2023-08-04 21:33 ALAS2PHP8.2-2023-001
Amazon Linux 2023 php8.1 2023-03-20 18:27 ALAS2023-2023-139

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD CVSSv3 7.7 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References

Red Hat: CVE-2023-0567 Mitre: CVE-2023-0567 FAQs regarding Amazon Linux ALAS/CVE Severity