Check Point Advisories

FTP Insecure Sanitization in User Name (CVE-2009-0542; CVE-2010-2453)

Vulnerability
Protection

Check Point Reference:	CPAI-2010-0815
Date Published:	24 Mar 2025
Severity:	Critical
Last Updated:	Monday 24 March, 2025
Source:
Industry Reference:	CVE-2009-0542 CVE-2010-2453
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Attackers might use different characters in FTP user names to exploit multiple vulnerabilities. Successful exploitation of this vulnerability could allow a remote attacker to inject SQL queries, execute commands, or achieve remote code execution by exploiting improperly parsed user names.

Protection Overview

This protection detects 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 R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the FTP Insecure Sanitization in User Name protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: FTP Enforcement Violation.
Attack Information: FTP Insecure Sanitization in User Name