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Secunia Advisory SA22048

Apple QuickTime "qtnext" Input Validation Vulnerability
Secunia Advisory SA22048
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Release Date 2006-09-21
Last Update 2007-10-04
   
Popularity 21,604 views
Comments 0 comments

Criticality level Highly criticalHighly critical
Impact Security Bypass
System access
Where From remote
Authentication level Available in Customer Area
   
Report reliability Available in Customer Area
Solution Status Vendor Patch
   
   
3rd party PoC/exploit Link available in Customer Area
Systems affected Available in Customer Area
Approve distribution Available in Customer Area
Remediation status Secunia CSI, Secunia PSI
Automated scanning Secunia CSI, Secunia PSI
   
Software:
Apple QuickTime 7.x

Secunia CVSS Score Available in Customer Area
CVE Reference(s) CVE-2006-4965 CVSS available in Customer Area
CVE-2007-4673 CVSS available in Customer Area
CVE-2007-5045 CVSS available in Customer Area
  

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.


Solution
Apply Security Update for QuickTime 7.2 for Windows.
Further details available in Customer Area

Provided and/or discovered by
pdp

Changelog
Further details available in Customer Area

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
Further details available in Customer Area

Deep Links
Links available in Customer Area


Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Apple QuickTime "qtnext" Input Validation Vulnerability
 
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