Message-ID: <50A4F932.8030808@hp.com>
Date: Thu, 15 Nov 2012 08:16:18 -0600
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: Full Disclosure <full-disclosure@...ts.grok.org.uk>, 
	BugTraq <bugtraq@...urityfocus.com>
Cc: zdi-disclosures@...com
Subject: ZDI-12-183 : RealNetworks RealPlayer RV40 Remote
	Code Execution Vulnerability

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ZDI-12-183 : RealNetworks RealPlayer RV40 Remote Code Execution
Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-12-183

November 15, 2012

- -- CVE ID:
CVE-2012-0925

- -- CVSS:
9, AV:N/AC:L/Au:N/C:P/I:P/A:C

- -- Affected Vendors:
RealNetworks

- -- Affected Products:
RealNetworks RealPlayer

- -- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of RealNetworks RealPlayer. User interaction is
required in that a target must visit a malicious page or open a malicious
file.

The flaw exists within the rv40.dll component for RealNetworks RealPlayer.
When parsing a stream containing RV40 sample data, a value is miscalculated
before being used as an offset from a base pointer address. A remote
attacker can exploit this vulnerability to execute arbitrary code under the
context of the process.

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

http://service.real.com/realplayer/security/09072012_player/en/


- -- Disclosure Timeline:
2011-10-21 - Vulnerability reported to vendor
2012-11-15 - Coordinated public release of advisory

- -- Credit:
This vulnerability was discovered by:
* Dan Rosenberg of Virtual Security Research
* Damian Put

- -- 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:
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