ZDI-07-021: GraceNote CDDBControl ActiveX Buffer Overflow Vulnerability Apr 20 2007 05:28AM
zdi-disclosures 3com com
ZDI-07-021: GraceNote CDDBControl ActiveX Buffer Overflow Vulnerability
April 19, 2007

-- CVE ID:

-- Affected Vendor:

-- Affected Products:
CDDBControl ActiveX Control

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability since April 6, 2006 by a pre-existing Digital Vaccine
protection filter ID 4278. For further product information on the
TippingPoint IPS:


-- Vulnerability Details:
This vulnerability allows attackers to execute arbitrary code on
vulnerable installations of GraceNote's CDDBControl ActiveX Control.
User interaction is required to exploit this vulnerability in that the
target must visit a malicious page.

The specific flaw exists due to a buffer overflow in an ActiveX control
registered by several products that use Gracenote CDDB for CD
information lookup. The ActiveX control is commonly registered as safe
and can be accessed from a malicious web site. The buffer overflow is
triggered when long values are specified for various Proxy
configuration parameters.

-- Vendor Response:
GraceNote has issued updates to correct this vulnerability. More details
can be found at:


-- Disclosure Timeline:
2006.09.01 - Vulnerability reported to vendor
2006.04.06 - Pre-existing Digital Vaccine released to TippingPoint
2007.04.19 - Coordinated public release of advisory

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

-- 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:


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.

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