I. DESCRIPTION

CommuniGate Pro Core Server from CommuniGate Systems provides robust cross-platform 
groupware applications, enabling a cost effective, easy to manage communications platform. 

For more info visit http://www.stalker.com

II. DETAILS

During testing of CommuniGate Pro Server 5.0.6 using ProtoVer LDAP testsuite version 1.1 
multiple vulnerabilities in LDAP component of CommuniGate Pro have been uncovered. 

The vulnerabilities could be used by a remote unauthenticated attacker to crash 
the server or in the worst case to execute the arbitrary code.

III. VENDOR RESPONSE

The vendor has released 5.0.7 version which addresses these issues.
Quote from http://www.stalker.com/CommuniGatePro/History.html:

"""
5.0.7 27-Jan-05 
Bug Fix: Foundation: 3.0: Negative BER lengths were processed incorrectly.
"""

IV. HISTORY

24 Jan 2006 - initial vendor contact
25 Jan 2006 - vendor received a fully-functional trial of ProtoVer LDAP testsuite
26 Jan 2006 - vendor successfully reproduced the problems
27 Jan 2006 - vendor released the fixed version

V. CREDIT

All these issues were found using GLEG Ltd's ProtoVer LDAP testsuite:
http://www.gleg.net/protover_ldap.shtml