Check Point Advisories

Rhino Software Serv-U Web Client HTTP Request Remote Buffer Overflow

Check Point Reference: CPAI-2009-442
Date Published: 31 Jan 2010
Severity: Critical
Last Updated: Tuesday 18 July, 2017
Source:
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Rhino Software Serv-U prior to 9.1.0.0
Vulnerability Description A code execution vulnerability exists in Rhino Software Serv-U. The vulnerability is due to a buffer overflow that can occur when Servu-U Web Client handles overly large HTTP requests. Remote attackers could exploit this vulnerability by sending a malicious HTTP request to a vulnerable version of the application.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Rhino Software Serv-U Web Client HTTP Request Remote Buffer Overflow protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Server Enforcement Violation.
Attack Information:  Rhino Software Serv-U Web Client HTTP Request Remote Buffer Overflow

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