Matousec has discovered a vulnerability in ZoneAlarm Pro, which can be exploited by malicious, local users to cause a DoS (Denial of Service).
The vulnerability is caused due to an error in the handling of data sent to the "Device\vsdatant" device. This can be exploited to crash a vulnerable system by sending malformed data to the said device.
The vulnerability is confirmed in version 6.5.737.000 and also reported in version 6.1.744.001. Other versions may also be affected.
Solution: Upgrade to version 7.0.302.000 or later.
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Subject: ZoneAlarm Pro vsdatant Driver Denial of Service
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