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."
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
|---|---|---|
kerio personal firewall 4.2 |
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kerio serverfirewall 1.1.1 |
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