PHP multiple COM objects security bypass
| php-com-security-bypass (37368) |  Medium Risk |
Description:
PHP could allow a remote attacker to bypass the safe_mode and disable_function security restrictions, caused by improper handling of COM objects. By uploading a malicious script to the server, an attacker could exploit this vulnerability to execute arbitrary commands on the system.
*CVSS:
| Base Score: | 6.8 |
| Access Vector: | Network |
| Access Complexity: | Medium |
| Authentication: | None |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | Partial |
| Temporal Score: | 5.8 |
| Exploitability: | Proof-of-Concept |
| Remediation Level: | Unavailable |
| Report Confidence: | Uncorroborated |
Consequences:
Bypass Security
Remedy:
No remedy available as of July 9, 2011.
References:
- The PHP Group Web site: PHP: Hypertext Preprocessor.
- CVE-2007-5653: 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.
- SA27280: PHP COM Objects Security Bypass
- VUPEN/ADV-2007-3590: PHP for Windows COM Objects Handling Security Bypass Vulnerability
Platforms Affected:
- PHP PHP 5.0.0
- PHP PHP 5.0.0 RC1
- PHP PHP 5.0.0 RC3
- PHP PHP 5.0.0 RC2
- PHP PHP 5.0.0 Beta2
- PHP PHP 5.0.0 Beta4
- PHP PHP 5.0.0 Beta3
- PHP PHP 5.0.0 Beta1
- PHP PHP 5.0.1
- PHP PHP 5.0.2
- PHP PHP 5.0.3
- PHP PHP 5.0.4
- PHP PHP 5.0.5
- PHP PHP 5.1.0
- PHP PHP 5.1.1
- PHP PHP 5.1.2
- PHP PHP 5.1.3
- PHP PHP 5.1.4
- PHP PHP 5.1.5
- PHP PHP 5.1.6
- PHP PHP 5.2.0
- PHP PHP 5.2.1
- PHP PHP 5.2.2
- PHP PHP 5.2.3
- PHP PHP 5.2.4
Reported:
Oct 22, 2007
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For corrections or additions please email xforce@iss.net
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.