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Home arrow SecurityAlert Database

Arrow  Topic :

Apple Quicktime PICT File PackBitsRgn Parsing Heap Corruption Vulnerability


Arrow  SecurityAlert : 3351
Arrow  CVE : CVE-2007-4676
Arrow  SecurityRisk : High  Security Risk High  (About)
Arrow  Remote Exploit : No
Arrow  Local Exploit : Yes
Arrow  Exploit Available : No
Arrow  Credit : zdi-disclosures
Arrow  Published : 08.11.2007

Arrow  Affected Software : QuickTime 7.2



Arrow  Advisory Content :  

ZDI-07-066: Apple Quicktime PICT File PackBitsRgn Parsing Heap Corruption

Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-07-066.html

November 5, 2007

-- CVE ID:

CVE-2007-4676

-- Affected Vendor:

Apple

-- Affected Products:

QuickTime 7.2

-- Vulnerability Details:

This vulnerability allows 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 exist in the parsing of the PackBitsRgn field (Opcode

0x0099). Due to improper handling of a malformed element in the

structure, heap corruption occurs. If properly constructed this can

lead to code execution running under the credentials of the user.

-- Vendor Response:

Apple has issued an update to correct this vulnerability. More details

can be found at:

http://docs.info.apple.com/article.html?artnum=306896

-- Disclosure Timeline:

2007.09.14 - Vulnerability reported to vendor

2007.11.05 - Coordinated public release of advisory

-- Credit:

This vulnerability was discovered by Ruben Santamarta of reversemode.com.

-- 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.

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.

CONFIDENTIALITY NOTICE: This e-mail message, including any attachments,

is being sent by 3Com for the sole use of the intended recipient(s) and

may contain confidential, proprietary and/or privileged information.

Any unauthorized review, use, disclosure and/or distribution by any

recipient is prohibited. If you are not the intended recipient, please

delete and/or destroy all copies of this message regardless of form and

any included attachments and notify 3Com immediately by contacting the

sender via reply e-mail or forwarding to 3Com at postmaster (at) 3com (dot)
com. [email concealed]






Arrow  Feedback :

If you have additional information or notice any errors regarding this security advisory, please use contact form or email us at info()securityreason()com.
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