Apple QuickTime "qtnext" Input Validation Vulnerability
Secunia Advisory: SA22048
Release Date: 2006-09-21
Last Update: 2007-10-04
Popularity: 15,538 views

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

Software:Apple QuickTime 7.x

Subscribe: Instant alerts on relevant vulnerabilities

CVE reference:CVE-2006-4965
CVE-2007-4673
CVE-2007-5045


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.
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


Track this Secunia Advisory
Customers of the Secunia Vulnerability Intelligence solutions will automatically receive updates when new information regarding this advisory is released.

Read more about our Vulnerability Intelligence solutions and what they can do for you and your company.

About this Secunia Advisory
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.
  
Latest Advisories

Send Feedback to Secunia
If you have new information regarding this Secunia advisory or a product in our database, please send it to us using either our web form or email us at vuln@secunia.com.

Ideas, suggestions, and other feedback are most welcome.

Most Popular - 3 Hours

1. Subdreamer Light Global Variables SQL Injection Vulnerability // 79 views
2. Adobe Flash Player Multiple Vulnerabilities // 34 views
3. Microsoft Office Two Code Execution Vulnerabilities // 22 views
4. Sun Java System Web Proxy Server SOCKS Module Buffer Overflows // 21 views
5. Microsoft Word Malformed Object Pointer Vulnerability // 18 views
6. Sun Java JDK / JRE Multiple Vulnerabilities // 18 views
7. VLC Media Player Multiple Vulnerabilities // 17 views
8. Opera Multiple Vulnerabilities // 16 views
9. phpBB "gen_rand_string()" Predictable RNG Weakness // 14 views
10. WMNews Cross-Site Scripting Vulnerabilities // 14 views