VAR-200107-0054

Vulnerability from variot - Updated: 2023-12-18 11:14

Check Point VPN-1/FireWall-1 4.1 base.def contains a default macro, accept_fw1_rdp, which can allow remote attackers to bypass intended restrictions with forged RDP (internal protocol) headers to UDP port 259 of arbitrary hosts. Check Point VPN-1/FireWall-1 version 4.0 & 4.1 may allow an intruder to pass traffic through the firewall on port 259. It is designed to work on various operating systems, both as a single firewall or as a firewall cluster system. A problem has been discovered with the firewall that allows traversal. It is possible for a remote user to pass packets across the firewall via port 259 by using false RDP headers on UDP packets. This makes it possible for remote users to gain access to restricted information systems

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  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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