Apple QuickTime FlashPix NumberOfTiles Remote Code Execution Vulnerability

2010.04.03
Credit: ZDI
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-189


Ogólna skala CVSS: 6.8/10
Znaczenie: 6.4/10
Łatwość wykorzystania: 8.6/10
Wymagany dostęp: Zdalny
Złożoność ataku: Średnia
Autoryzacja: Nie wymagana
Wpływ na poufność: Częściowy
Wpływ na integralność: Częściowy
Wpływ na dostępność: Częściowy

ZDI-10-043: Apple QuickTime FlashPix NumberOfTiles Remote Code Execution Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-10-043 April 2, 2010 -- CVE ID: CVE-2010-0519 -- 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 9569. 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 a malformed SubImage Header Stream from a malicious FlashPix image. The application takes the NumberOfTiles field from this data structure, multiplies it by 16, and then uses it in an allocation. If this result is larger than 32-bits the value will wrap leading to an under-allocated buffer. Later when the application copies data into this buffer, a buffer overflow will occur leading to code execution within the context of the application. -- Vendor Response: Apple has issued an update to correct this vulnerability. More details can be found at: http://support.apple.com/kb/HT4104 -- Disclosure Timeline: 2009-10-27 - 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/ Follow the ZDI on Twitter: http://twitter.com/thezdi _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/

Referencje:

http://support.apple.com/kb/HT4077
http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html
http://www.zerodayinitiative.com/advisories/ZDI-10-043
http://www.securityfocus.com/archive/1/archive/1/510519/100/0/threaded
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:7498
http://lists.apple.com/archives/security-announce/2010//Mar/msg00002.html


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