RealNetworks RealPlayer Malformed IVR Pointer Index Remote Code Execution VulnerabilityZDI-10-209: October 15th, 2010
TippingPoint™ IPS Customer ProtectionTippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 8468. For further product information on the TippingPoint IPS:
This vulnerability allows 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 or open a malicious file.
The specific flaw exists when parsing a RealMedia .IVR file containing malformed sample data. The application utilizes a index in this data stream for seeking into a list of objects. Due to the lack of constraints on this index, one can seek to an arbitrary object located in memory which will lead to code execution under the context of the currently logged in user.
Vendor ResponseRealNetworks has issued an update to correct this vulnerability. More details can be found at:
2009-08-20 - Vulnerability reported to vendor
2010-10-15 - Coordinated public release of advisory
CreditThis vulnerability was discovered by: