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Secunia Research 15/04/2009
- DivX Web Player Stream Format Chunk Buffer Overflow -
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Table of Contents
Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10
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1) Affected Software
* DivX Web Player version 1.4.2.7
NOTE: Other versions may also be affected.
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2) Severity
Rating: Highly critical
Impact: System access
Where: Remote
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3) Vendor's Description of Software
"DivX Web Player lets you play up to HD-quality DivX® video in your
web browser. You can also use DivX Web Player to easily embed DivX
videos onto your website or blog."
Product Link:
http://www.divx.com/en/web-player-windows
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4) Description of Vulnerability
Secunia Research has discovered a vulnerability in DivX Web Player,
which can be exploited by malicious people to compromise a user's
system.
The vulnerability is caused due to a signedness error in the
processing of "STRF" (Stream Format) chunks. This can be exploited to
cause a heap-based buffer overflow via a specially crafted DivX file.
Successful exploitation may allow execution of arbitrary code by
tricking a user into visiting a malicious website.
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5) Solution
Update to version 1.4.3.4, included in an updated DivX bundle.
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6) Time Table
17/12/2008 - Vendor notified.
18/12/2008 - Vendor response.
11/03/2009 - DivX Web Player 1.4.3 released in a bundle update.
15/04/2009 - Public disclosure.
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7) Credits
Discovered by Alin Rad Pop, Secunia Research.
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8) References
The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2008-5259 for the vulnerability.
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9) About Secunia
Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:
http://secunia.com/advisories/business_solutions/
Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private
individuals, who are interested in or concerned about IT-security.
http://secunia.com/advisories/
Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the
security and reliability of software in general:
http://secunia.com/secunia_research/
Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:
http://secunia.com/corporate/jobs/
Secunia offers a FREE mailing list called Secunia Security Advisories:
http://secunia.com/advisories/mailing_lists/
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10) Verification
Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2008-57/
Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/
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