Date: Fri, 25 Jul 2008 16:27:27 -0500
From: zdi-disclosures@...m.com
To: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Cc: zdi-disclosures@...m.com
Subject: ZDI-08-047: RealNetworks RealPlayer rmoc3260 ActiveX Control Memory
 Corruption Vulnerability

ZDI-08-047: RealNetworks RealPlayer rmoc3260 ActiveX Control Memory 
Corruption Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-08-047
July 25, 2008

-- CVE ID:
CVE-2008-1309

-- Affected Vendors:
RealNetworks

-- Affected Products:
RealNetworks RealPlayer

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 5834. 
For further product information on the TippingPoint IPS, visit:

    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 visit a malicious web site.

The specific flaw exists in the rmoc3260 ActiveX control exposed through
the following CLSIDs:

    CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA
    0FDF6D6B-D672-463B-846E-C6FF49109662
    224E833B-2CC6-42D9-AE39-90B6A38A4FA2
    2F542A2E-EDC9-4BF7-8CB1-87C9919F7F93
    3B46067C-FD87-49B6-8DDD-12F0D687035F
    3B5E0503-DE28-4BE8-919C-76E0E894A3C2
    44CCBCEB-BA7E-4C99-A078-9F683832D493
    A1A41E11-91DB-4461-95CD-0C02327FD934
    CFCDA953-8BE4-11CF-B84B-0020AFBBCCFA

Specifying malicious values for the 'Controls' or 'Console' properties
with a specific timing results in a memory corruption which can lead to
code execution under the context of the current user.

-- Vendor Response:
RealNetworks has issued an update to correct this vulnerability. More
details can be found at:

http://service.real.com/realplayer/security/07252008_player/en/

-- Disclosure Timeline:
2008-02-07 - Vulnerability reported to vendor
2008-07-25 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Peter Vreugdenhil

-- About the Zero Day Initiative (ZDI):
Established by TippingPoint, 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. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint 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, TippingPoint
provides this vulnerability information confidentially to security
vendors (including competitors) who have a vulnerability protection or
mitigation product.

Our vulnerability disclosure policy is available online at:

    http://www.zerodayinitiative.com/advisories/disclosure_policy/

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