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PHP Windows COM Objects Handling Security Bypass Vulnerability

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PHP Windows COM Objects Handling Security Bypass Vulnerability

Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
10/23/2007
Created
07/25/2018
Added
07/16/2009
Modified
02/13/2015

Description

The Component Object Model (COM) functions in PHP 5.x on Windows do not follow safe_mode and disable_functions restrictions, which allows context-dependent attackers to bypass intended limitations, as demonstrated by executing objects with the kill bit set in the corresponding ActiveX control Compatibility Flags, executing programs via a function in compatUI.dll, invoking wscript.shell via wscript.exe, invoking Scripting.FileSystemObject via wshom.ocx, and adding users via a function in shgina.dll, related to the com_load_typelib function.

Solution(s)

  • fix-http-php-windows-com-objects-handling-security-bypass

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