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ZoneAlarm / Integrity "NtConnectPort()" Hook Invalid Pointer Dereference
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Secunia Advisory:
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SA14256
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Release Date:
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2005-02-14
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Popularity:
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9,942 views
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Critical:
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Not critical
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Impact:
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DoS
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Where:
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Local system
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Solution Status:
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Vendor Patch
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| Software: | Check Point Integrity 5.x
Zone Labs Integrity 4.x
ZoneAlarm 5.x
ZoneAlarm Antivirus 5.x
ZoneAlarm Pro 5.x
ZoneAlarm Security Suite 5.x
ZoneAlarm Wireless Security 5.x
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Subscribe:
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| CVE reference: | CVE-2005-0114
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Description:
iDEFENSE has reported a vulnerability in various ZoneAlarm products and Check Point Integrity Client, which can be exploited by malicious, local users to cause a DoS (Denial of Service).
The vulnerability is caused due to an invalid pointer dereference in vsdatant.sys within the hook for the "NtConnectPort()" kernel API. The problem is that the second argument (ServerPortName) isn't verified as a valid pointer before being dereferenced.
Successful exploitation crashes the system.
Solution:
Update to the following versions or later:
* Check Point Integrity Client versions 4.5.122.000 and 5.1.556.166
* ZoneAlarm Security Suite, ZoneAlarm Pro, ZoneAlarm, and ZoneAlarm with Antivirus version 5.5.062.011
* ZoneAlarm Wireless version 5.5.080.000
Provided and/or discovered by:
iDEFENSE Labs
Original Advisory:
Zone Labs:
http://download.zonelabs.com/bin/free/securityAlert/19.html
iDEFENSE:
http://www.idefense.com/application/poi/display?id=199&type=vulnerabilities
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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