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TUCoPS :: Apple(multi) :: bx6054.htm

Apple QuickTime RLE Bit Depth Remote Code Execution Vulnerability



ZDI-10-040: Apple QuickTime RLE Bit Depth Remote Code Execution Vulnerability
ZDI-10-040: Apple QuickTime RLE Bit Depth Remote Code Execution Vulnerability



ZDI-10-040: Apple QuickTime RLE Bit Depth Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-10-040 
April 2, 2010

-- CVE ID:
CVE-2010-0516

-- Affected Vendors:
Apple

-- Affected Products:
Apple Quicktime

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 8437. 
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
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 during the parsing of samples from a malformed
.mov file utilizing the RLE codec. While decoding RLE data, the
application will fail to validate the size when decompressing the data
into a heap chunk. If the length is larger than the size of the chunk
allocated, then a memory corruption will occur leading to code execution
under the context of the currently logged in user.

-- Vendor Response:


-- Disclosure Timeline:
2009-08-10 - Vulnerability reported to vendor
2010-04-02 - 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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