PHP 5.4.41/5.5.25/5.6.9 File Name NULL Byte 7pk security

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as critical has been found in PHP 5.4.41/5.5.25/5.6.9 (Programming Language Software). Affected is an unknown code of the component File Name Handler. The manipulation as part of a NULL Byte leads to a 7pk security vulnerability. CWE is classifying the issue as CWE-254. This is going to have an impact on integrity.

The weakness was disclosed 06/26/2015 by Neal as Bug 1232823 as confirmed bug report (Bugzilla). The advisory is available at This vulnerability is traded as CVE-2015-3412 since 04/24/2015. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1211 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 84659 (Oracle Linux 6 : php (ELSA-2015-1218)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 10005 (PHP Prior to 5.6.8/5.5.24/5.4.40 Multiple Remote Code Execution Vulnerabilities).

Upgrading to version 5.4.42, 5.6.10 or 5.5.26 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (104109) and Tenable (84659).






CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
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VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍



VulDB Base Score: 🔍
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Class: 7pk security
CWE: CWE-254

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 84659
Nessus Name: Oracle Linux 6 : php (ELSA-2015-1218)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 100723
OpenVAS Name: RedHat Update for php RHSA-2015:1218-01
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PHP 5.4.42/5.6.10/5.5.26
Patch: 4435b9142ff9813845d5c97ab29a5d637bedb257


01/01/2012 🔍
04/14/2015 +1199 days 🔍
04/24/2015 +10 days 🔍
06/25/2015 +62 days 🔍
06/26/2015 +1 days 🔍
06/29/2015 +3 days 🔍
08/03/2015 +35 days 🔍
05/16/2016 +287 days 🔍
05/22/2022 +2197 days 🔍



Advisory: Bug 1232823
Researcher: Neal
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-3412 (🔍)
X-Force: 104109 - PHP NULL byte checks security bypass
SecurityTracker: 1032709 - PHP Multiple Bugs Let Remote Users Deny Service and Execute Arbitrary Code
Vulnerability Center: 51727 - PHP Remote Bypass Restrictions due to Improper Handling of File Names Containing NULL Characters - CVE-2015-3412, Medium
SecurityFocus: 75250 - PHP NULL Character CVE-2015-3412 Multiple Security Bypass Vulnerabilities


Created: 06/29/2015 05:43 PM
Updated: 05/22/2022 08:05 AM
Changes: 06/29/2015 05:43 PM (71), 09/10/2017 07:22 PM (10), 05/22/2022 07:53 AM (5), 05/22/2022 07:58 AM (10), 05/22/2022 08:05 AM (1)
Complete: 🔍
Cache ID: 44:718:40


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