Bug: ZoneAlarm Multiple insufficient argument validation of hooked SSDT function Vulnerability ( Ascii Version )

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ZoneAlarm Multiple insufficient argument validation of hooked SSDT function Vulnerability

Published
Credit
Risk
2007.04.19
Matousec - Transparent security Research (research matousec com)
Medium
CWE
CVE
Local
Remote
N/A
CVE-2007-2083
Yes
No

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.9/10
10/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete

Hello,

We would like to inform you about a vulnerability in ZoneAlarm 6.

Description:

ZoneAlarm hooks many functions in SSDT and in at least two cases it fails to validate arguments that come from the user

mode. User calls to NtCreateKey and NtDeleteFile with invalid argument values can cause system crashes because of errors

in ZoneAlarm driver vsdatant.sys. Further impacts of this bug (like arbitrary code execution in the kernel mode) were
not examined.

Vulnerable software:

* ZoneAlarm Pro 6.5.737.000
* ZoneAlarm Pro 6.1.744.001
* probably all versions of ZoneAlarm products branches 6.x
* possibly older versions of ZoneAlarm products

Not vulnerable software:

* ZoneAlarm Pro 7.0.302.000 and higher
* probably all versions of ZoneAlarm products branches 7.x and higher

More details and a proof of concept including its source code are available here:
http://www.matousec.com/info/advisories/ZoneAlarm-Multiple-insufficient-
argument-validation-of-hooked-SSDT-functions.php

Regards,

--
Matousec - Transparent security Research
http://www.matousec.com/

See this note in TXT Version

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