Check Point Advisories

HylaFAXplus LDAP Authentication User Name Buffer Overflow (CVE-2013-5680)

Vulnerability
Protection

Check Point Reference:	CPAI-2013-3524
Date Published:	31 Oct 2013
Severity:	Medium
Last Updated:	Sunday 14 February, 2016
Source:
Industry Reference:	CVE-2013-5680
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A buffer overflow vulnerability has been reported in HylaFAX+. The vulnerability is due to a buffer overflow when an overly long username is used for LDAP authentication. A remote unauthenticated attacker can exploit this vulnerability by sending a malicious username to target server. Successful exploitation could allow arbitrary code execution within security context of the target server.

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

In the IPS tab, click Protections and find the HylaFAXplus LDAP Authentication User Name 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: LDAP Protection Violation.
Attack Information: HylaFAXplus LDAP authentication user name buffer overflow