Check Point Advisories

IBM Informix Dynamic Server index.php testconn Heap Buffer Overflow (CVE-2017-1092)

Vulnerability
Protection

Check Point Reference:	CPAI-2017-0513
Date Published:	19 Jun 2017
Severity:	Critical
Last Updated:	Wednesday 21 June, 2017
Source:	IBM
Industry Reference:	CVE-2017-1092
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	IBM Informix Dynamic Server prior to 11.50.xC9 IBM Informix Dynamic Server prior to 11.70.xC9 IBM Informix Dynamic Server prior to 12.10.xC8W2
Vulnerability Description	A heap buffer overflow exists in IBM's Informix Dynamic Server and Informix Open Admin Tool. The vulnerability is due an input validation error when processing requests sent to index.php. A remote, unauthenticated attacker can exploit this vulnerability by sending a crafted request.

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 R80 / R77 / R75

In the IPS tab, click Protections and find the IBM Informix Dynamic Server index.php testconn Heap Buffer Overflow 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: Application Servers Protection Violation.
Attack Information: IBM Informix Dynamic Server index.php testconn Heap Buffer Overflow