Check Point Advisories

IBM Informix Dynamic Server Long Username Authentication Error Stack Overflow - Ver2 (CVE-2006-3854)

Check Point Reference: CPAI-2014-2376
Date Published: 28 Dec 2014
Severity: High
Last Updated: Sunday 28 December, 2014
Source:
Industry Reference:CVE-2006-3854
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description A buffer overflow vulnerability has been reported in IBM Informix Dynamic Database Server. An attacker could exploit this vulnerability via a long username, which causes an overflow in vsprintf when displaying in the resulting error message. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system or cause application crashes.

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 Informix Dynamic Server Long Username Authentication Error Stack Overflow - Ver2 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 Informix Dynamic Server Long Username Authentication Error Stack Overflow - Ver2

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