Check Point Advisories

Firebird SQL op_connect_request Denial of Service (CVE-2009-2620)

Check Point Reference: CPAI-2009-411
Date Published: 31 Jan 2010
Severity: High
Last Updated: Sunday 31 January, 2010
Source:
Industry Reference:CVE-2009-2620
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description Firebird (sometimes called FirebirdSQL) is a relational database management system offering many ANSI SQL-2003 features. It runs on Linux, Windows, and a variety of Unix platforms. Started as a fork of Borland's open source release of InterBase, the Firebird codebase is maintained by the Firebird Project at SourceForge. A denial of service vulnerability exists in Firebird SQL. The vulnerability is due to the way that Firebird SQL handles certain requests. A remote unauthenticated attacker can exploit this vulnerability by sending a malformed request to a vulnerable server. A successful attack would create a denial of service condition on the Firebird SQL service.

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 Firebird SQL op_connect_request 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:  Database Protection Violation.
Attack Information:  Firebird SQL op_connect_request denial of service

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