Denial of Service Vulnerability in FlatnuX

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Advisory ID:	HTB22835
Product:	FlatNux
Vendor:	Alessandro Vernassa
Vulnerable Versions:	flatnux-2011-01.26 and probably prior
Tested Version:	flatnux-2011-01.26
Advisory Publication:	February 3, 2011 [without technical details]
Vendor Notification:	February 3, 2011
Public Disclosure:	February 17, 2011
Vulnerability Type:	Infinite Loop [CWE-835]
Risk Level:	Medium

CVSSv2 Base Score:	5 (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Solution Status:	Fixed by Vendor
Discovered and Provided:	High-Tech Bridge Security Research Lab
Advisory Details:
High-Tech Bridge SA Security Research Lab has discovered vulnerabilities in FlatnuX which could be exploited to cause a denial of service. 1) Denial of service vulnerability in FlatnuX The vulnerability exists due to endless loop in the login.html script. A remote attacker can send a specially crafted HTTP request to the vulnerable script and consume all available memory allowed in PHP configuration. Exploitation example: http://host/login.html?mod[]=login&op=modprof&user=dos
How to Detect Infinite Loop Vulnerabilities Website Security Test GDPR & PCI DSS Test Website CMS Security Test CSP & HTTP Headers Check WordPress & Drupal Scanning Try For Free Solution:
Upgrade to flatnux-2011-02.03.

References:
[1] High-Tech Bridge Advisory HTB22835 - https://www.immuniweb.com/advisory/HTB22835 - Denial of Service Vulnerability in FlatnuX [2] FlatnuX - flatnux.altervista.org- Flatnux is a CMS (Content Management System) that makes no use of DBMS, but only text files. [3] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types.

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