Check Point Advisories

Microsoft Telnet Protocol Authentication Bypass (CVE-2009-1930)

Vulnerability
Protection

Check Point Reference:	CPAI-2009-0631
Date Published:	24 Nov 2024
Severity:	Critical
Last Updated:	Sunday 24 November, 2024
Source:
Industry Reference:	CVE-2009-1930
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Windows 2000 Microsoft Windows SP1 Microsoft Windows SP2 Microsoft Windows SP3 Microsoft Windows SP4 Microsoft Windows XP Microsoft Windows Server 2003 SP2 Microsoft Windows Vista Gold Microsoft Windows Server 2008 Gold
Vulnerability Description	An authentication bypass vulnerability exists in Microsoft Telnet protocol. Successful exploitation of this vulnerability would allow remote attackers to gain unauthorized access into the affected system.

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 Microsoft Telnet Protocol Authentication Bypass (CVE-2009-1930) 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: Windows SMB Protection Violation.
Attack Information: Microsoft Telnet Protocol Authentication Bypass (CVE-2009-1930)