One-way Connection Enforcement Bypass in Check Point VPN-1/FireWall-1
CVE-2000-0804
What is CVE-2000-0804?
The vulnerability in Check Point's VPN-1/FireWall-1 4.1 and earlier versions allows remote attackers to exploit a flaw in directionality checks. By using fragmented TCP connection requests or by attempting to reopen closed TCP connections, attackers can effectively bypass security measures intended to enforce one-way connection rules. This behavior could potentially expose systems to unauthorized access, allowing intruders to interact with sensitive systems externally. Organizations using these products are encouraged to review their security configurations and apply any necessary patches to mitigate this risk.
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