Message-ID: <EE499D69B3D0714590B6FE9762B0461104BFE98F5C@emb01.unity.local>
Date: Fri, 10 Dec 2010 15:26:22 -0600
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: "'Full Disclosure (full-disclosure@...ts.grok.org.uk)'"
	<full-disclosure@...ts.grok.org.uk>,
	"'Bugtraq (bugtraq@...urityfocus.com)'" <bugtraq@...urityfocus.com>
Subject: ZDI-10-270: RealNetworks RealPlayer ICY Protocol
 StreamTitle Remote Code Execution Vulnerability

ZDI-10-270: RealNetworks RealPlayer ICY Protocol StreamTitle Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-10-270

December 10, 2010

-- CVE ID:
CVE-2010-2997

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

-- 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 8344.
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerability installations of RealNetworks RealPlayer. User interaction
is required to exploit this vulnerability in that the target must open a
malicious SHOUTcast Stream.

The specific flaw exists in the processing of the StreamTitle tag in a
SHOUTcast stream using the ICY protocol. A specially crafted string
supplied as the property for the title can result in a failed allocation
of heap memory. This then causes the freeing of critical pointers that
are subsequently used after freeing. Successful exploitation of this
vulnerability can lead to system compromise under the credentials of the
currently logged in user.

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

http://service.real.com/realplayer/security/12102010_player/en/

-- Disclosure Timeline:
2009-06-25 - Vulnerability reported to vendor
2010-12-10 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Anonymous

-- 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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