ZoneAlarm Firewall Can Be Bypassed

ZoneAlarm firewall can be bypassed by using interprocess communication (IPC) and direct data exchange (DDE).

ITPro Today

September 29, 2005

1 Min Read
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ReportedSeptember 28, 2005 by Debasis Mohanty

VERSIONSAFFECTED

ZoneAlarmFirewall, free versions


DESCRIPTION

ZoneLabs' ZoneAlarm firewall can be bypassed by using Dynamic DataExchange (DDE) and interprocess communications (IPC). A maliciousprogram could gain access beyond the firewall through IPC-DDE and atrusted program that's allowed access through the firewall.



VENDORRESPONSE

ZoneLabs reports that only free versions of ZoneAlarm firewall areaffected because they lack Advanced Program Control, which is foundin ZoneAlarm Pro, ZoneAlarm AntiVirus, ZoneAlarm Wireless Security,and ZoneAlarm Security Suite. Users of products with Advanced Program Control should ensure that it is enabled in order to defendagainst these types of attacks. All ZoneAlarm users, including users ofthe free version, should also ensure that they have the latestversion of the products installed.

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