Zero-Day Advisory

Fortinet Discovers Denial of Service Vulnerability in Wireshark USB URB

Summary

Fortinet's FortiGuard has discovered denial of service vulnerability in Wireshark USB URB.

Solutions

Upgrade to latest version available from http://www.wireshark.org/download.html.

Additional Information

The USB URB denial of service vulnerability lies in the USB packet dissector, where insufficient checking of packet parameters is performed; the vulnerability is present only when Wireshark is configured to sniff packets from USB ports or opens a crafted USB traffic pcap file.

References

• http://www.wireshark.org/security/wnpa-sec-2008-06.html

• CVE-2008-4680

Acknowledgement

David Maciejak of Fortinet's FortiGuard Global Security Research Team

IPS Subscription

Fortinet customers who subscribe to Fortinet's intrusion prevention (IPS) service should be protected against this vulnerability with the appropriate configuration parameters in place. Fortinet's IPS service is one component of FortiGuard Subscription Services, which also offer comprehensive solutions such as antivirus, Web content filtering and antispam capabilities. These services enable protection against threats on both application and network layers. FortiGuard Services are continuously updated by FortiGuard Labs, which enables Fortinet to deliver a combination of multi-layered security intelligence and true zero-day protection from new and emerging threats. These updates are delivered to all FortiGate, FortiMail and FortiClient products. Fortinet strictly follows responsible disclosure guidelines to ensure optimum protection during a threat's lifecycle.