ZyXEL ZyWALL 10 up to 3.49 ARP Packet denial of service

Summaryinfo

A vulnerability was found in ZyXEL ZyWALL 10 up to 3.49. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component ARP Packet Handler. Such manipulation leads to denial of service. This vulnerability is listed as CVE-2002-0438. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in ZyXEL ZyWALL 10 up to 3.49 (Firewall Software). It has been rated as problematic. Affected by this issue is some unknown processing of the component ARP Packet Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

ZyXEL ZyWALL 10 before 3.50 allows remote attackers to cause a denial of service via an ARP packet with the firewall s IP address and an incorrect MAC address, which causes the firewall to disable the LAN interface.

The weakness was presented 07/26/2002 by Knud Erik Højgaard (Website). The advisory is available at securityfocus.com. This vulnerability is handled as CVE-2002-0438. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 3.50 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (8436) and SecurityFocus (BID 4272†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Firewall Software

Vendor

• ZyXEL

Name

• ZyWALL 10

Version

• 3.0
• 3.1
• 3.2
• 3.3
• 3.4
• 3.5
• 3.6
• 3.7
• 3.8
• 3.9
• 3.10
• 3.11
• 3.12
• 3.13
• 3.14
• 3.15
• 3.16
• 3.17
• 3.18
• 3.19
• 3.20
• 3.21
• 3.22
• 3.23
• 3.24
• 3.25
• 3.26
• 3.27
• 3.28
• 3.29
• 3.30
• 3.31
• 3.32
• 3.33
• 3.34
• 3.35
• 3.36
• 3.37
• 3.38
• 3.39
• 3.40
• 3.41
• 3.42
• 3.43
• 3.44
• 3.45
• 3.46
• 3.47
• 3.48
• 3.49

License

• commercial

Website

• Vendor: https://www.zyxel.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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