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CIRC INFORMATION BULLETIN

S-286: PHP Path Translation Vulnerability

[US-CERT Vulnerability Note VU#147027]

May 9, 2008 15:00 GMT
[REVISED 27 Jun 2008]
PROBLEM: PHP contains a path translation vulnerability that may allow an attacker to execute arbitrary code.
PLATFORM: PHP 5.2.5
HP-UX B.11.11, B.11.23, B.11.31 running Apache with PHP v5.2.5 or earlier
DAMAGE: Execute arbitrary code.
SOLUTION: Upgrade to the appropriate version.
VULNERABILITY
ASSESSMENT:		 The risk is MEDIUM. An attacker may be able to execute arbitrary code in the context of an application that uses the vulnerable function. The scope of the impact depends on how the affected application works. Applications that process filename input from the network, such as public-facing web applications, would be vulnerable to a remote attacker.
CVSS 2 BASE SCORE:
   TEMPORAL SCORE:
   VECTOR:		 7.5
5.9
(AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C)
LINKS:  
  CIRC BULLETIN: http://www.doecirc.energy.gov/bulletins/s-286.shtml
  ORIGINAL BULLETIN: http://www.kb.cert.org/vuls/id/147027
  ADDITIONAL LINK: Visit Hewlett-Packard Subscription Service for:
HPSBUX02342 SSRT080063 rev. 2
  CVE: CVE-2008-0599 
REVISION HISTORY: 
6/27/2008 - revised S-286 to add a link to Hewlett-Packard's Subscription Service
            for: HPSBUX02342 SSRT080063 rev. 2 for HP-UX B.11.11, B.11.23, B.11.31 
			running Apache with PHP v5.2.5 or earlier.
   
   
[***** Start US-CERT Vulnerability Note VU#147027 *****]

Vulnerability Note VU#147027

PHP path translation vulnerability

Overview

PHP contains a path translation vulnerability that may allow an attacker to execute arbitrary code.

I. Description

PHP is a scripting language that is designed for web-based applications and can be imbedded directly into HTML.

PHP versions prior to 5.2.6 contain a path translation vulnerability. For more information about this issue, see the PHP CVS log.

II. Impact

An attacker may be able to execute arbitrary code in the context of an application that uses the vulnerable function. The scope of the impact depends on how the affected application works. Applications that process filename input from the network, such as public-facing web applications, would be vulnerable to a remote attacker.

III. Solution

Upgrade

PHP 5.2.6 was released to address this and other issues.

Systems Affected

Vendor Status Date Updated
The PHP Group Vulnerable 6-May-2008

References

https://www.securecoding.cert.org/confluence/x/_wI
http://www.php.net/ChangeLog-5.php
http://cvs.php.net/viewvc.cgi/php-src/sapi/cgi/cgi_main.c?r1=1.267.2.15.2.50.2.12&r2=1.267.2.15.2.50.2.13&diff_format=u

Credit

Thanks to the PHP team for information that was used in this report.

This document was written by Ryan Giobbi.

Other Information

Date Public 05/06/2008
Date First Published 05/06/2008 02:52:57 PM
Date Last Updated 05/06/2008
CERT Advisory  
CVE Name CVE-2008-0599
US-CERT Technical Alerts  
Metric 1.13
Document Revision 17 

[***** End US-CERT Vulnerability Note VU#147027 *****]
CIRC wishes to acknowledge the contributions of US-CERT for the information contained in this bulletin.
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    E-mail:          doecirc@doecirc.energy.gov
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