01642 06 11 11 Arrange Call

Default Rule Bypass Vulnerability in Kerio Personal Firewall (KPF) 2.1.4

CVE-2003-1491 · HIGH

CVE-2003-1491

Kerio Personal Firewall (KPF) 2.1.4 has a default rule to accept incoming packets from DNS (UDP port 53), which allows remote attackers to bypass the firewall filters via packets with a source port of 53.

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