Secunia Security Advisory - Evgeny Legerov has reported a vulnerability in CommuniGate Pro Server, which can be exploited by malicious people to cause a DoS (Denial of Service).
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TITLE:
CommuniGate Pro Server LDAP DN Handling Denial of Service
SECUNIA ADVISORY ID:
SA18701
VERIFY ADVISORY:
http://secunia.com/advisories/18701/
CRITICAL:
Moderately critical
IMPACT:
DoS
WHERE:
>From remote
SOFTWARE:
CommuniGate Pro 5.x
http://secunia.com/product/7170/
DESCRIPTION:
Evgeny Legerov has reported a vulnerability in CommuniGate Pro
Server, which can be exploited by malicious people to cause a DoS
(Denial of Service).
The vulnerability is caused due to an error in the LDAP component
during handling of LDAP requests containing a large number of
elements in the DN (Distinguished Names) field. This can be exploited
to crash the service via a specially-crafted LDAP request.
The vulnerability has been reported in version 5.0.7. Prior versions
may also be affected.
SOLUTION:
Update to version 5.0.8.
PROVIDED AND/OR DISCOVERED BY:
Evgeny Legerov, GLEG Ltd.
ORIGINAL ADVISORY:
CommuniGate Systems:
http://www.stalker.com/CommuniGatePro/History.html
GLEG Ltd.:
http://www.gleg.net/advisory_cg2.shtml
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