Nokia Firewall Appliance 3.3/3.4/3.4.1 SYN Defender information disclosure

Summaryinfo

A vulnerability has been found in Nokia Firewall Appliance 3.3/3.4/3.4.1 and classified as problematic. The impacted element is an unknown function of the component SYN Defender. Performing a manipulation results in information disclosure. This vulnerability is known as CVE-2001-1431. No exploit is available. This vulnerability is considered historic because of its background and reception. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Nokia Firewall Appliance 3.3/3.4/3.4.1 (Firewall Software). It has been classified as problematic. This affects an unknown part of the component SYN Defender. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

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.

The weakness was published 10/08/2001 as confirmed advisory (CERT.org). It is possible to read the advisory at kb.cert.org. This vulnerability is uniquely identified as CVE-2001-1431 since 03/24/2005. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/15/2024). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK. Due to its background and reception, this vulnerability has a historic impact.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (8293). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Firewall Software

Vendor

• Nokia

Name

• Firewall Appliance

Version

• 3.3
• 3.4
• 3.4.1

License

• commercial

Website

• Vendor: https://www.nokia.com/

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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