RealNetworks Realplayer RecordClip Parameter Injection Remote Code Execution VulnerabilityZDI-10-211: October 15th, 2010
TippingPoint™ IPS Customer ProtectionTippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 10057. For further product information on the TippingPoint IPS:
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of RealNetworks RealPlayer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page.
The specific flaw exists within the browser plugins provided by RealNetworks. The RecordClip method can be access via the ActiveX control or the Firefox plugin. By injecting a specific character into the arguments to this method, invalid parameters can be passed to a child process that is launched on the local system. This parameter injection allows an attacker to download and subsequently execute a file on a target system, thus allowing for remote code execution.
Vendor ResponseRealNetworks has issued an update to correct this vulnerability. More details can be found at:
2010-01-06 - Vulnerability reported to vendor
2010-10-15 - Coordinated public release of advisory
CreditThis vulnerability was discovered by:
Sean de Regge