ZDI-07-061: RealNetworks RealPlayer SWF Processing Remote Code Execution Vulnerability Oct 31 2007 11:14PM
zdi-disclosures 3com com
ZDI-07-061: RealNetworks RealPlayer SWF Processing Remote Code Execution

Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-07-061.html

October 25, 2007

-- CVE ID:

CVE-2007-2263

-- Affected Vendor:

RealNetworks

-- Affected Products:

RealNetworks RealPlayer version 10.5

-- TippingPoint(TM) IPS Customer Protection:

TippingPoint IPS customers have been protected against this

vulnerability since February 15, 2007 by Digital Vaccine protection

filter ID 5070,5071,5072. For further product information on the

TippingPoint IPS:

http://www.tippingpoint.com

-- Vulnerability Details:

This vulnerability allows remote attackers to execute arbitrary code on

systems with vulnerable installations of the 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 in RealPlayer's parsing of SWF files. The SWF

rendering DLL RealPlayer uses fails to properly handle malformed record

headers leading to an exploitable overflow. An attacker could exploit

this vulnerability using an ActiveX control

{CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA} and embedding the malicious swf

file in the page or by convincing an affected user to directly open a

SWF file using RealPlayer.

-- Vendor Response:

RealNetworks has issued an update to correct this vulnerability. More

details can be found at:

http://service.real.com/realplayer/security/10252007_player/en/

-- Disclosure Timeline:

2007.01.17 - Vulnerability reported to vendor

2007.02.15 - Digital Vaccine released to TippingPoint customers

2007.10.25 - Coordinated public release of advisory

-- Credit:

This vulnerability was discovered by an anonymous researcher.

-- About the Zero Day Initiative (ZDI):

Established by TippingPoint, a division of 3Com, The Zero Day Initiative

(ZDI) represents a best-of-breed model for rewarding security

researchers for responsibly disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research

through the ZDI can find more information and sign-up at:

http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is used.

3Com does not re-sell the vulnerability details or any exploit code.

Instead, upon notifying the affected product vendor, 3Com provides its

customers with zero day protection through its intrusion prevention

technology. Explicit details regarding the specifics of the

vulnerability are not exposed to any parties until an official vendor

patch is publicly available. Furthermore, with the altruistic aim of

helping to secure a broader user base, 3Com provides this vulnerability

information confidentially to security vendors (including competitors)

who have a vulnerability protection or mitigation product.

CONFIDENTIALITY NOTICE: This e-mail message, including any attachments,

is being sent by 3Com for the sole use of the intended recipient(s) and

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