Advisory Details

January 21st, 2010

RealNetworks RealPlayer ASMRulebook Remote Code Execution Vulnerability

ZDI-10-005
ZDI-CAN-252

CVE ID CVE-2009-4241
CVSS SCORE 10.0, (AV:N/AC:L/Au:N/C:C/I:C/A:C)
AFFECTED VENDORS
AFFECTED PRODUCTS
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 5783. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute code on vulnerable installations of RealPlayer. User interaction is required in that a user must open a malicious file or visit a malicious web site.

The specific flaw exists during the parsing of files with improperly defined ASMRuleBook structures. A controllable memory allocation allows for an attacker to corrupt heap memory. Attacker controlled data from the corrupt heap is later used as an object pointer which can be leveraged to execute arbitrary code in the context of the currently logged in user.

VENDOR RESPONSE
DISCLOSURE TIMELINE
  • 2007-11-07 - Vulnerability reported to vendor
  • 2010-01-21 - Coordinated public release of advisory
CREDIT Anonymous
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