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DevIL DICOM "GetUID()" Buffer Overflow Vulnerability



Secunia Research: DevIL DICOM "GetUID()" Buffer Overflow Vulnerability
Secunia Research: DevIL DICOM "GetUID()" Buffer Overflow Vulnerability



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                     Secunia Research 04/12/2009

      - DevIL DICOM "GetUID()" Buffer 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 

* DevIL 1.7.8

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 

"Developer's Image Library (DevIL) is a cross-platform image library
utilizing a simple syntax to load, save, convert, manipulate, filter
and display a variety of images with ease.".

Product Link:
http://openil.sourceforge.net/ 

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4) Description of Vulnerability

Secunia Research has discovered a vulnerability in DevIL, which can
be exploited by malicious people to compromise an application
using the library.

The vulnerability is caused by a boundary error within the "GetUID()"
function in src-IL/src/il_dicom.c. This can be exploited to cause a 
stack-based buffer overflow by e.g. tricking a user into opening a 
specially crafted DICOM file in an application using the library.

The vulnerability is confirmed in version 1.7.8. Other versions may 
also be affected.

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5) Solution 

Do not open untrusted DICOM files.

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6) Time Table 

27/11/2009 - Vendor and vendor-sec notified.
03/12/2009 - Vendor response.
04/12/2009 - 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-2009-3994 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/2009-51/ 

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/ 

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