CVE-2024-3096

· MEDIUMModified

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CVSS v3.1

6.5

EPSS

1.48%

Published

Apr 29, 2024

Modified

Nov 4, 2025

Public PoC / Exploit (1)

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weaknesses (CWE)

CWE-20

Affected Products (4)

php · php (up to 8.1.28)vulnerable

php · php (up to 8.2.18)vulnerable

php · php (up to 8.3.5)vulnerable

debian · debian_linuxvulnerable

References (10)

http://www.openwall.com/lists/oss-security/2024/04/12/11

Mailing List

https://github.com/php/php-src/security/advisories/GHSA-h746-cjrr-wfmr

ExploitVendor Advisory

https://lists.debian.org/debian-lts-announce/2024/05/msg00005.html

Mailing List

https://security.netapp.com/advisory/ntap-20240510-0010/

Third Party Advisory

http://www.openwall.com/lists/oss-security/2024/04/12/11

Mailing List

https://github.com/php/php-src/security/advisories/GHSA-h746-cjrr-wfmr

ExploitVendor Advisory

https://lists.debian.org/debian-lts-announce/2024/05/msg00005.html

Mailing List

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJZK3X6B7FBE32FETDSMRLJXTFTHKWSY/

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZGWIK3HMBACERGB4TSBB2JUOMPYY2VKY/

https://security.netapp.com/advisory/ntap-20240510-0010/

Third Party Advisory

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