Outpost Insufficient validation of 'SandBox' driver input buffer

2006.11.07
Risk: Low
Local: Yes
Remote: No
CWE: CWE-Other


CVSS Base Score: 4.9/10
Impact Subscore: 6.9/10
Exploitability Subscore: 3.9/10
Exploit range: Local
Attack complexity: Low
Authentication: No required
Confidentiality impact: None
Integrity impact: None
Availability impact: Complete

Hello, We would like to inform you about a vulnerability in Outpost Firewall PRO 4.0. Description: Outpost insufficiently protects its driver DeviceSandBox against a manipulation by malicious applications and it fails to validate its input buffer. It is possible to open this driver and send arbitrary data to it, which are implicitly believed to be valid. It is possible to assemble the data in the input buffer such that the driver performs an invalid memory operation and crashes the whole operating system. Further impacts of this bug were not examined. Vulnerable software: * Outpost Firewall PRO 4.0 (964.582.059) More details and a proof of concept including source code is available here: http://www.matousec.com/info/advisories/Outpost-Insufficient-validation- of-SandBox-driver-input-buffer.php Regards, -- Matousec - Transparent security Research http://www.matousec.com/


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