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Zero Day Initiative Advisory 12-077

Zero Day Initiative Advisory 12-077
Posted Jun 6, 2012
Authored by Tipping Point | Site zerodayinitiative.com

Zero Day Initiative Advisory 12-077 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple QuickTime. 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 within the QuickTimeVR.qtx component. A signedness error exists when processing a QTVRStringAtom having an overly large "stringLength" parameter. This can be exploited to cause a stack-based buffer overflow and execute arbitrary code under the context of the user running the application.

tags | advisory, remote, overflow, arbitrary
systems | apple
advisories | CVE-2012-0667
MD5 | 5324798ac1f458c02268691bf0b9ecee

Zero Day Initiative Advisory 12-077

Change Mirror Download
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ZDI-12-077 : Apple QuickTime QTVR QTVRStringAtom Parsing Remote Code
Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-12-077

June 6, 2012

- -- CVE ID:
CVE-2012-0667

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

- -- Affected Vendors:

Apple

- -- Affected Products:

Apple QuickTime

- -- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Apple QuickTime. 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 within the QuickTimeVR.qtx component. A signedness
error exists when processing a QTVRStringAtom having an overly large
"stringLength" parameter. This can be exploited to cause a stack-based
buffer overflow and execute arbitrary code under the context of the user
running the application.

- -- Vendor Response:

Apple has issued an update to correct this vulnerability. More details can
be found at:

http://support.apple.com/kb/HT5261

- -- Disclosure Timeline:
2011-10-21 - Vulnerability reported to vendor

2012-06-06 - Coordinated public release of advisory

- -- Credit:
This vulnerability was discovered by:

* Alin Rad Pop

- -- 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/

Follow the ZDI on Twitter:

http://twitter.com/thezdi

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