Rule: -- Sid: 2399 -- Summary: This event is generated when an attempt is made to exploit the PHP web application WAnewsletter. -- Impact: Information gathering and system integrity compromise. Possible unauthorized administrative access to the server or application. Possible execution of arbitrary code of the attackers choosing in some cases. -- Detailed Information: This event is generated when an attempt is made to exploit a known vulnerability in the WAnewsletter PHP web application running on a server. Multiple vulnerabilities exist in the application which can lead to the execution of arbitrary code of the atttackers choosing. -- Affected Systems: WAnewsletter -- Attack Scenarios: An attacker can supply code of their choice by including a file in parameters supplied to the script newsletter.php or db_type.php. -- Ease of Attack: Simple. No exploit software required. -- False Positives: None known. -- False Negatives: None known. -- Corrective Action: Ensure the system is using an up to date version of the software and has had all vendor supplied patches applied. -- Contributors: Sourcefire Research Team Nigel Houghton <nigel.houghton@sourcefire.com> -- Additional References: --