CVE-2024-3096

In PHP  version 8.1.* before 8.1.28, 8.2.* before 8.2.18, 8.3.* before 8.3.5, if a password stored with password_hash() starts with a null byte (\x00), testing a blank string as the password via password_verify() will incorrectly return true.

Score

CVSS 3.1 6.5 Medium

Status

Modified - security@php.net

Published

2024-04-29

Last modified

2025-11-04

Weaknesses

CWE-20

Affected products

• Debian Linux (Debian)
• Php (Php)
• Php (Php Group)

References

• http://www.openwall.com/lists/oss-security/2024/04/12/11
• https://github.com/php/php-src/security/advisories/GHSA-h746-cjrr-wfmr
• https://lists.debian.org/debian-lts-announce/2024/05/msg00005.html
• https://security.netapp.com/advisory/ntap-20240510-0010/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJZK3X6B7FBE32FETDSMRLJX…
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZGWIK3HMBACERGB4TSBB2JUO…