Cacti Multiple Parameter Cross Site Scripting Vulnerabilities I. BACKGROUND --------------------- "Cacti is a complete network graphing solution designed to harness the power of RRDTool's data storage and graphing functionality. Cacti provides a fast poller, advanced graph templating, multiple data acquisition methods, and user management features out of the box." from cacti.net II. VULNERABILITIES --------------------- VUPEN Web Vulnerability Research Team discovered three vulnerabilities in PHP-Calendar. These issues are caused by input validation errors when processing the "hostname", "host_id" and "description" parameters, which could be exploited by attackers to cause arbitrary scripting code to be executed by the user's browser in the security context of an affected Web site. III. AFFECTED PRODUCTS --------------------------- Cacti version 0.8.7e and prior IV. SOLUTION ---------------- Upgrade to Cacti version 0.8.7f V. CREDIT -------------- These vulnerabilities were discovered by Mohammed Boumediane (VUPEN Security) with help of the VUPEN Web Application Security Scanning (WASS) technology. VI. VUPEN Web Application Security Scanner (WASS) ---------------------------------------------------- VUPEN Web Application Security Scanner (WASS) is a SaaS security scanning technology which enables corporations and organizations to identify, track and remediate security vulnerabilities affecting their web sites and web applications, prevent criminals from gaining unauthorized access to sensitive data, and comply with security requirements such as PCI. VUPEN WASS is based on a proprietary technology developed by VUPEN security experts, and combines black-box (smart and automated) and grey-box (signature-based) scanning to accurately identify web vulnerabilities such as those in the OWASP Top 10 including SQL injection and cross-site scripting, but also real-world vulnerabilities such as shell command injection and file inclusion. Read More: http://www.vupen.com/english/wass/ VII. REFERENCES ---------------------- http://www.vupen.com/english/advisories/2010/1203 http://www.cacti.net/release_notes_0_8_7f.php VIII. DISCLOSURE TIMELINE ----------------------------- 2010-05-05 - Vendor notified 2010-05-05 - Vendor response 2010-05-09 - status update received 2010-05-21 - Coordinated public Disclosure