Check Point Advisories

IBM DB2 Universal Database Connection Handshake Denial of Service (CVE-2006-4257)

Check Point Reference: CPAI-2006-291
Date Published: 17 Dec 2009
Severity: High
Last Updated: Thursday 17 December, 2009
Source:
Industry Reference:CVE-2006-4257
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description The IBM DB2 Universal Database (UDB) is a relational database management system. The product supports the Distributed Relational Database Architecture (DRDA), an Open Group standard, to meet the needs of application programs requiring access to distributed relational data. There exists a denial of service vulnerability in the IBM DB2 Universal Database product. The vulnerability is due to a failure in handling exceptional conditions when setting up Distributed Relational Database Architecture (DRDA) protocol sessions. A crafted message supplied during the handshake procedure may result in the server becoming unstable resulting in its eventual shutdown. In a successful attack case, the vulnerable DB2 database service will terminate, creating a denial of service condition. The service will need to be restarted manually in order to restore functionality. Regardless, all transactions and network connections to the DB2 database server present at the time of termination will shut down.

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 IBM DB2 Universal Database Connection Handshake Denial of Service 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:  IBM Protection Violation.
Attack Information:  IBM DB2 Universal Database connection handshake denial of service

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