PHP up to 8.1.27/8.2.17/8.3.4 password_verify poison null byte
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.9 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, has been found in PHP up to 8.1.27/8.2.17/8.3.4. The impacted element is the function password_verify. The manipulation leads to poison null byte.
This vulnerability is uniquely identified as CVE-2024-3096. The attack is possible to be carried out remotely. Moreover, an exploit is present.
It is advisable to upgrade the affected component.
Details
A vulnerability, which was classified as problematic, has been found in PHP up to 8.1.27/8.2.17/8.3.4. This issue affects the function password_verify. The manipulation with an unknown input leads to a poison null byte vulnerability. Using CWE to declare the problem leads to CWE-626. The product does not properly handle null bytes or NUL characters when passing data between different representations or components. Impacted is integrity.
The advisory is shared at github.com. The identification of this vulnerability is CVE-2024-3096. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.
The exploit is available at github.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 212416 (RHEL 8 : php:8.2 (RHSA-2024:10951)), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 8.1.28, 8.2.18 or 8.3.6 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (212416). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Name
Version
- 8.1.0
- 8.1.1
- 8.1.2
- 8.1.3
- 8.1.4
- 8.1.5
- 8.1.6
- 8.1.7
- 8.1.8
- 8.1.9
- 8.1.10
- 8.1.11
- 8.1.12
- 8.1.13
- 8.1.14
- 8.1.15
- 8.1.16
- 8.1.17
- 8.1.18
- 8.1.19
- 8.1.20
- 8.1.21
- 8.1.22
- 8.1.23
- 8.1.24
- 8.1.25
- 8.1.26
- 8.1.27
- 8.2.0
- 8.2.1
- 8.2.2
- 8.2.3
- 8.2.4
- 8.2.5
- 8.2.6
- 8.2.7
- 8.2.8
- 8.2.9
- 8.2.10
- 8.2.11
- 8.2.12
- 8.2.13
- 8.2.14
- 8.2.15
- 8.2.16
- 8.2.17
- 8.3.0
- 8.3.1
- 8.3.2
- 8.3.3
- 8.3.4
License
Website
- Product: https://www.php.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.1VulDB Meta Temp Score: 4.9
VulDB Base Score: 3.7
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 6.5
CNA Vector (PHP Group): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Poison null byteCWE: CWE-626
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 212416
Nessus Name: RHEL 8 : php:8.2 (RHSA-2024:10951)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: PHP 8.1.28/8.2.18/8.3.6
Timeline
03/29/2024 🔍04/13/2024 🔍
04/13/2024 🔍
06/19/2025 🔍
Sources
Product: php.orgAdvisory: GHSA-h746-cjrr-wfmr
Status: Confirmed
CVE: CVE-2024-3096 (🔍)
GCVE (CVE): GCVE-0-2024-3096
GCVE (VulDB): GCVE-100-260597
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 04/13/2024 05:31Updated: 06/19/2025 02:06
Changes: 04/13/2024 05:31 (55), 05/22/2024 13:07 (3), 05/22/2024 13:13 (13), 12/11/2024 22:48 (3), 06/19/2025 02:06 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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