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Apple QuickTime "qtnext" Input Validation Vulnerability
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Secunia Advisory:
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SA22048
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Release Date:
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2006-09-21
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Last Update:
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2007-10-04
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Critical:
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Highly critical
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Impact:
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Security Bypass
System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Apple QuickTime 7.x
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| | CVE reference: | CVE-2006-4965 (Secunia mirror)
CVE-2007-4673 (Secunia mirror)
CVE-2007-5045 (Secunia mirror)
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Description:
pdp has discovered a vulnerability in Apple QuickTime, which can be exploited by malicious people to bypass certain security restrictions and to compromise a user's system.
The vulnerability is caused due to missing input validation when processing the "qtnext" attribute in an "embed" tag of a QuickTime Media Link file. This can be exploited e.g. by a malicious web site to open local content in the browser via the "qtnext" attribute of the "embed" tag in a Quicktime Media Link file opened by the QuickTime Plug-In.
NOTE: This can further be exploited to pass arbitrary parameters to the default browser when a specially crafted file is opened with QuickTime or the QuickTime Plug-In and allows e.g. execution of arbitrary code on a user's system when Firefox is set as the default browser. This is caused by Firefox inappropriately allowing execution of arbitrary script code in Chrome context via the "-chrome" parameter. Reportedly, this issue does not affect Mac OS X.
The vulnerability is confirmed in version 7.2 with Firefox 2.0.0.6. Other versions may also be affected.
Do you have this product installed on your home computer? Scan using the free Personal Software Inspector. Check if a vulnerable version is installed on computers in your corporate network, using the Network Software Inspector.
Solution:
Apply Security Update for QuickTime 7.2 for Windows.
http://www.apple.com/support/download...tyupdateforquicktime72forwindows.html
Provided and/or discovered by:
pdp
Changelog:
2006-09-26: Added CVE reference.
2007-09-13: Added additional information about exploitation via Firefox provided by pdp. Updated "Criticality", "Impact", "Description", and "Title". Added link to "Original Advisory" section.
2007-09-14: Added link to US-CERT.
2007-09-25: Added CVE reference.
2007-10-04: Updated "Solution" section and note in "Description" section. Added CVE reference.
Original Advisory:
Apple:
http://docs.info.apple.com/article.html?artnum=306560
http://www.gnucitizen.org/blog/backdooring-mp3-files/
http://www.gnucitizen.org/blog/0day-quicktime-pwns-firefox
Other References:
US-CERT VU#751808:
http://www.kb.cert.org/vuls/id/751808
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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