Improper input validation in PHP
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.015 (73.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- PHP
- PHP Group — versions 8.1.*, 8.2.*, 8.3.*
- Debian Linux — versions 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/php/php-src/security/advisories/GHSA-h746-cjrr-wfmr (Exploit, Vendor Advisory)
- www.openwall.com/lists/oss-security/2024/04/12/11 (Mailing List)
- lists.debian.org/debian-lts-announce/2024/05/msg00005.html (Mailing List)
- security.netapp.com/advisory/ntap-20240510-0010/ (Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2024-3096?
- CVE-2024-3096 is a medium-severity vulnerability in PHP, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2024-04-29.
- How severe is CVE-2024-3096?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2024-3096 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.