Zero-Day Advisory

Fortinet Discovers Audacity WAV File Parsing Memory Corruption Vulnerability

Summary

Fortinet's FortiGuard Labs has discovered a memory corruption vulnerability in Audacity.
Audacity is a free, award-winning open source program for recording and editing sound. Audacity runs on Mac OS X, Microsoft Windows, GNU/Linux and other operating systems.
A memory corruption vulnerability has been identified in Audacity. The vulnerability is caused by an error when the vulnerable software handles a crafted FORMATCHUNK structure in a WAV (RIFF) file.

Solutions

FortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:

Audacity.FORMATCHUNK.Memory.Corruption
Released Jan 27, 2016
Users should upgrade to Audacity version 2.1.2 provided by Audacity.

References

• http://wiki.audacityteam.org/wiki/Release_Notes_2.1.2
• CVE-2016-2540

Acknowledgement

This vulnerability was discovered by Chris Navarrete 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.