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DevIL DICOM GetUID() Buffer Overflow

DevIL DICOM GetUID() Buffer Overflow
Posted Dec 5, 2009
Authored by Stefan Cornelius | Site secunia.com

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.

tags | advisory, overflow
advisories | CVE-2009-3994
SHA-256 | bef338476ab50b7b135a8f8a62a9fce7233fca04b978409af9cb476cd97ecad5

DevIL DICOM GetUID() Buffer Overflow

Change Mirror Download
====================================================================== 

Secunia Research 04/12/2009

- DevIL DICOM "GetUID()" Buffer Overflow Vulnerability -

======================================================================
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

======================================================================
1) Affected Software

* DevIL 1.7.8

NOTE: Other versions may also be affected.

======================================================================
2) Severity

Rating: Moderately Critical
Impact: System Access
Where: Remote

======================================================================
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/

======================================================================
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.

======================================================================
5) Solution

Do not open untrusted DICOM files.

======================================================================
6) Time Table

27/11/2009 - Vendor and vendor-sec notified.
03/12/2009 - Vendor response.
04/12/2009 - Public disclosure.

======================================================================
7) Credits

Discovered by Stefan Cornelius, Secunia Research.

======================================================================
8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2009-3994 for the vulnerability.

======================================================================
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/

======================================================================
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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