PHP 5.0.5 kernel32.dll memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in PHP 5.0.5 (Programming Language Software). It has been rated as critical. This issue affects an unknown functionality in the library kernel32.dll. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. Impacted is integrity. The summary by CVE is:

The Foreign Function Interface (ffi) extension in PHP 5.0.5 does not follow safe_mode restrictions, which allows context-dependent attackers to execute arbitrary code by loading an arbitrary DLL and calling a function, as demonstrated by kernel32.dll and the WinExec function. NOTE: this issue does not cross privilege boundaries in most contexts, so perhaps it should not be included in CVE.

The weakness was released 08/24/2007 (Website). The advisory is shared at The identification of this vulnerability is CVE-2007-4528 since 08/24/2007. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a exploit are known.

It is declared as proof-of-concept. The exploit is available at We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 17714 (PHP Foreign Function Interface Arbitrary DLL Loading safe_mode Restriction Bypass), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (36234), Vulnerability Center (SBV-34169) and Tenable (17714).




CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

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



VulDB Base Score: 🔍
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NVD Base Score: 🔍


Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 17714
Nessus Name: PHP Foreign Function Interface Arbitrary DLL Loading safe_mode Restriction Bypass
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfoedit

Interest: 🔍
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Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


08/23/2007 🔍
08/24/2007 +1 days 🔍
08/24/2007 +0 days 🔍
08/24/2007 +0 days 🔍
11/18/2011 +1547 days 🔍
01/04/2012 +47 days 🔍
03/16/2015 +1167 days 🔍
07/21/2021 +2319 days 🔍



Status: Not defined

CVE: CVE-2007-4528 (🔍)
X-Force: 36234
Vulnerability Center: 34169 - PHP 5.0.5 Foreign Function Interface Extension Safe_Mode Security Restrictions Bypass, Medium


Created: 03/16/2015 12:18 PM
Updated: 07/21/2021 04:33 PM
Changes: (1) source_nessus_risk
Complete: 🔍


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