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Apple QuickTime "qtnext" Input Validation Vulnerability
Secunia Advisory: SA22048
Release Date: 2006-09-21
Last Update: 2007-10-04
Popularity: 17,921 views

Critical:
Highly critical
Impact: Security Bypass
System access
Where: From remote
Solution Status: Vendor Patch

Software:Apple QuickTime 7.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

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.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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