Vulnerability CVE-2005-3286
Published: 2005-10-23   Modified: 2012-02-12

Description:
The FWDRV driver in Kerio Personal Firewall 4.2 and Server Firewall 1.1.1 allows local users to cause a denial of service (crash) by setting the PAGE_NOACCESS or PAGE_GUARD protection on the Page Environment Block (PEB), which triggers an exception, aka the "PEB lockout vulnerability."

See advisories in our WLB2 database:
Topic
Author
Date
Low
Kerio Personal Firewall and Kerio Server Firewall FWDRV driver Local Denial of Service
Piotr Bania
14.10.2005

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Kerio -> Personal firewall 
Kerio -> Serverfirewall 

 References:
http://www.kerio.com/security_advisory.html
http://secunia.com/advisories/17155
http://www.securityfocus.com/bid/15094
http://seclists.org/bugtraq/2005/Oct/166
http://pb.specialised.info/all/adv/kerio-fwdrv-dos-adv.txt
http://lists.grok.org.uk/pipermail/full-disclosure/2005-October/037958.html
http://www.osvdb.org/19961
http://securityreason.com/securityalert/78
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