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
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Secunia believes that it is important to support the community and to
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security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below
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http://secunia.com/corporate/jobs/

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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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