Zero-Day Advisory

Fortinet Discovers RealNetworks RealPlayer Memory Corruption Vulnerability


Fortinet's FortiGuard Labs has discovered a memory corruption vulnerability in RealNetworks RealPlayer.


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

Released May 04, 2014

Users should upgrade to the latest version of RealPlayer.

Additional Information

The vulnerability can be triggered when opening a maliciously crafted mp4 file which contains a malformed "stsz" atom. It could allow an attacker to execute arbitrary code on the affected system.


Dehui Yin 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.