var-201103-0271
Vulnerability from variot
Heap-based buffer overflow in ImageIO in CoreGraphics in Apple iTunes before 10.2 on Windows allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted International Color Consortium (ICC) profile in a JPEG image. Apple iTunes is prone to a heap-based buffer-overflow vulnerability because the application fails to properly bounds-check user-supplied data before copying it into an insufficiently sized buffer. This issue affects the Apple Inc.'s CoreGraphics library. An attacker can exploit this issue to execute arbitrary code within the context of the affected application. Failed exploit attempts will result in a denial-of-service condition. Versions prior to Apple iTunes 10.2 are vulnerable. Apple iTunes is a set of media player applications of Apple (Apple), which is mainly used for playing and managing digital music and video files. There is a heap buffer overflow vulnerability in the implementation. iDefense Security Advisory 03.02.11 http://labs.idefense.com/intelligence/vulnerabilities/ Mar 02, 2011
I. BACKGROUND
Apple's CoreGraphics library is an API used to create and manipulate graphical elements. This API is used by many Apple applications, including the Safari browser on both Windows and Mac OS X.
II.
This vulnerability occurs during the processing of an embedded International Color Consortium (ICC) profile within a JPEG image. A small block of heap memory may be allocated for processing certain profile data. An index value is used to reference locations within this heap block. The index value can be manipulated in a manner that results in multiple memory writes to locations outside the bounds of the heap allocated block. This condition may lead to arbitrary code execution.
III. ANALYSIS
Exploitation of this vulnerability results in the execution of arbitrary code with the privileges of the user viewing the JPEG image. To exploit this vulnerability, a targeted user must load a malicious JPEG image. An attacker typically accomplishes this via social engineering or injecting content into compromised, trusted sites. After the user visits the malicious Web page, no further user interaction is needed.
IV.
V. WORKAROUND
iDefense is currently unaware of an effective workaround for this vulnerability, as it is not possible to disable the CoreGraphics Framework without major functionality loss.
VI. VENDOR RESPONSE
Apple Inc. has released patches which addresses this issue. For more information, consult their advisory at the following URL:
http://support.apple.com/kb/HT4554
VII. CVE INFORMATION
The Common Vulnerabilities and Exposures (CVE) project has assigned the name CVE-2011-0170 to this issue. This is a candidate for inclusion in the CVE list (http://cve.mitre.org/), which standardizes names for security problems.
VIII. DISCLOSURE TIMELINE
08/11/2010 Initial Vendor Notification 08/11/2010 Initial Vendor Reply 03/02/2011 Coordinated Public Disclosure
IX. CREDIT
This vulnerability was discovered by Andrzej Dyjak
Get paid for vulnerability research http://labs.idefense.com/methodology/vulnerability/vcp.php
Free tools, research and upcoming events http://labs.idefense.com/
X. LEGAL NOTICES
Copyright \xa9 2011 Verisign
Permission is granted for the redistribution of this alert electronically. It may not be edited in any way without the express written consent of iDefense. If you wish to reprint the whole or any part of this alert in any other medium other than electronically, please e-mail customerservice@idefense.com for permission.
Disclaimer: The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information
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"data": "Heap-based buffer overflow in ImageIO in CoreGraphics in Apple iTunes before 10.2 on Windows allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted International Color Consortium (ICC) profile in a JPEG image. Apple iTunes is prone to a heap-based buffer-overflow vulnerability because the application fails to properly bounds-check user-supplied data before copying it into an insufficiently sized buffer. This issue affects the Apple Inc.\u0027s CoreGraphics library. \nAn attacker can exploit this issue to execute arbitrary code within the context of the affected application. Failed exploit attempts will result in a denial-of-service condition. \nVersions prior to Apple iTunes 10.2 are vulnerable. Apple iTunes is a set of media player applications of Apple (Apple), which is mainly used for playing and managing digital music and video files. There is a heap buffer overflow vulnerability in the implementation. iDefense Security Advisory 03.02.11\nhttp://labs.idefense.com/intelligence/vulnerabilities/\nMar 02, 2011\n\nI. BACKGROUND\n\nApple\u0027s CoreGraphics library is an API used to create and manipulate\ngraphical elements. This API is used by many Apple applications,\nincluding the Safari browser on both Windows and Mac OS X. \n\nII. \u003c/br\u003e\u003c/br\u003e\n\nThis vulnerability occurs during the processing of an embedded\nInternational Color Consortium (ICC) profile within a JPEG image. A\nsmall block of heap memory may be allocated for processing certain\nprofile data. An index value is used to reference locations within this\nheap block. The index value can be manipulated in a manner that results\nin multiple memory writes to locations outside the bounds of the heap\nallocated block. This condition may lead to arbitrary code execution. \n\nIII. ANALYSIS\n\nExploitation of this vulnerability results in the execution of arbitrary\ncode with the privileges of the user viewing the JPEG image. To exploit\nthis vulnerability, a targeted user must load a malicious JPEG image. \nAn attacker typically accomplishes this via social engineering or\ninjecting content into compromised, trusted sites. After the user\nvisits the malicious Web page, no further user interaction is needed. \n\nIV. \n\nV. WORKAROUND\n\niDefense is currently unaware of an effective workaround for this\nvulnerability, as it is not possible to disable the CoreGraphics\nFramework without major functionality loss. \n\nVI. VENDOR RESPONSE\n\nApple Inc. has released patches which addresses this issue. For more\ninformation, consult their advisory at the following URL:\n\nhttp://support.apple.com/kb/HT4554\n\nVII. CVE INFORMATION\n\nThe Common Vulnerabilities and Exposures (CVE) project has assigned the\nname CVE-2011-0170 to this issue. This is a candidate for inclusion in\nthe CVE list (http://cve.mitre.org/), which standardizes names for\nsecurity problems. \n\nVIII. DISCLOSURE TIMELINE\n\n08/11/2010 Initial Vendor Notification\n08/11/2010 Initial Vendor Reply\n03/02/2011 Coordinated Public Disclosure\n\nIX. CREDIT\n\nThis vulnerability was discovered by Andrzej Dyjak\n\nGet paid for vulnerability research\nhttp://labs.idefense.com/methodology/vulnerability/vcp.php\n\nFree tools, research and upcoming events\nhttp://labs.idefense.com/\n\nX. LEGAL NOTICES\n\nCopyright \\xa9 2011 Verisign\n\nPermission is granted for the redistribution of this alert\nelectronically. It may not be edited in any way without the express\nwritten consent of iDefense. If you wish to reprint the whole or any\npart of this alert in any other medium other than electronically,\nplease e-mail customerservice@idefense.com for permission. \n\nDisclaimer: The information in the advisory is believed to be accurate\nat the time of publishing based on currently available information. Use\nof the information constitutes acceptance for use in an AS IS condition. \n There are no warranties with regard to this information. Neither the\nauthor nor the publisher accepts any liability for any direct,\nindirect, or consequential loss or damage arising from use of, or\nreliance on, this information",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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