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Secunia Research 10/03/2010
- XnView DICOM Parsing Integer Overflow Vulnerability -
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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
* XnView 1.97
NOTE: Other versions may also be affected.
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2) Severity
Rating: Moderately Critical
Impact: System Access
Where: Remote
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3) Vendor's Description of Software
"XnView is a free software to view, organise, convert graphics and
photos files or to create slide show, contact sheet, HTML pages.".
Product Link:
http://www.xnview.com/
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4) Description of Vulnerability
Secunia Research has discovered a vulnerability in XnView, which can
be exploited by malicious people to potentially compromise a user's
system.
The vulnerability is caused due to an integer overflow when processing
DICOM images with certain dimensions. This can be exploited to cause a
heap-based buffer overflow by e.g. tricking a user into opening a
specially crafted DICOM file.
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5) Solution
Update to version 1.97.2.
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6) Time Table
21/12/2009 - Vendor notified.
28/12/2009 - Vendor notified again. Vendor response.
10/03/2010 - Public disclosure.
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7) Credits
Discovered by Stefan Cornelius, Secunia Research.
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8) References
The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2009-4001 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/2009-60/
Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/
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