Description
Nokia Firewall Appliances running IPSO 3.3 and VPN-1/FireWall-1 4.1 Service Pack 3, IPSO 3.4 and VPN-1/FireWall-1 4.1 Service Pack 4, and IPSO 3.4 or IPSO 3.4.1 and VPN-1/FireWall-1 4.1 Service Pack 5, when SYN Defender is configured in Active Gateway mode, does not properly rewrite the third packet of a TCP three-way handshake to use the NAT IP address, which allows remote attackers to gain sensitive information.
Products
- Checkpoint Firewall-1 1 4.1 SP3
- Checkpoint Firewall-1 1 4.1 SP4
- Checkpoint Firewall-1 1 4.1 SP5
- Checkpoint VPN-1 4.1_SP3
- Checkpoint VPN-1 4.1_SP4
- Nokia Firewall Appliance IPSO 3.3
- Nokia Firewall Appliance IPSO 3.41
- Nokia Firewall Appliance IPSO 3.4
Questions to Ask Vendors
- Can you confirm whether your systems are affected by CVE-2001-1431, and if so, what steps are you currently taking to mitigate this vulnerability?
- What is your estimated timeline for fully resolving CVE-2001-1431 in your products or services, and how will you communicate updates on this issue to us as your customer?
Recommended Actions
- Check out the advisory links provided below.
References