Zero-Day Advisory

Fortinet Discovers Wireshark Denial Of Service Vulnerability

Summary

Fortinet's FortiGuard Labs has discovered a vulnerability in Wireshark, which allows a remote attacker to cause a denial of service through malformed compressed capture data.

Solutions

Users should apply the solution provided by Wireshark.

Additional Information

Following Wireshark versions are vulnerable:
Wireshark up to 1.2.16
Wireshark up to 1.4.7

References

• http://www.wireshark.org/security/wnpa-sec-2011-07.html

• http://www.wireshark.org/security/wnpa-sec-2011-08.html

• CVE-2011-2174

Acknowledgement

David Maciejak of Fortinet's FortiGuard Labs

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.