CVE-2001-1431

Severity

50%

Complexity

99%

Confidentiality

48%

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.

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.

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N).

Overview

Type

Checkpoint

First reported 23 years ago

2001-10-08 04:00:00

Last updated 7 years ago

2017-07-11 01:29:00

Affected Software

Checkpoint Firewall-1 1 4.1 SP3

4.1

Checkpoint Firewall-1 1 4.1 SP4

4.1

Checkpoint Firewall-1 1 4.1 SP5

4.1

Checkpoint VPN-1 4.1_SP3

4.1

Checkpoint VPN-1 4.1_SP4

4.1

References

VU#258731

US Government Resource

nokia-cp-packet-retransmission(8293)

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