CVE-2002-0515

IPFilter 3.4.25 and earlier is affected: it sets a different TTL for packets targeting a port when that port is being filtered versus when it is not, enabling remote attackers to identify filtered ports by TTL comparison. The vulnerability is described across NVD/CVE records and PT-Security conte...

CVE-2002-0515

IPFilter 3.4.25 and earlier sets a different TTL when a port is being filtered than when it is not being filtered, which allows remote attackers to identify filtered ports by comparing TTLs...