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NTR ActiveX Control StopModule() Input Validation

NTR ActiveX Control StopModule() Input Validation
Posted Jan 12, 2012
Authored by Carsten Eiram | Site secunia.com

Secunia Research has discovered a vulnerability in NTR ActiveX control, which can be exploited by malicious people to compromise a user's system. The vulnerability is caused by missing input validation in the handling of the "StopModule()" method and can be exploited via a specially crafted "lModule" parameter to reference an expected module structure at an arbitrary memory address. This can be exploited to dereference an arbitrary value in memory as a function pointer. Successful exploitation allows execution of arbitrary code. NTR ActiveX Control version 1.1.8 is affected.

tags | advisory, arbitrary, activex
advisories | CVE-2012-0267
MD5 | 2c8a2024bca6163f58a076a2997feca7

NTR ActiveX Control StopModule() Input Validation

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

Secunia Research 11/01/2012

- NTR ActiveX Control "StopModule()" Input Validation Vulnerability -

======================================================================
Table of Contents

Affected Software....................................................1
Severity.............................................................2
Description of Vulnerability.........................................3
Solution.............................................................4
Time Table...........................................................5
Credits..............................................................6
References...........................................................7
About Secunia........................................................8
Verification.........................................................9

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

* NTR ActiveX Control version 1.1.8.

NOTE: Other versions may also be affected.

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

Rating: Highly critical
Impact: System compromise
Where: Remote

======================================================================
3) Description of Vulnerability

Secunia Research has discovered a vulnerability in NTR ActiveX
control, which can be exploited by malicious people to compromise a
user's system.

The vulnerability is caused by missing input validation in the
handling of the "StopModule()" method and can be exploited via a
specially crafted "lModule" parameter to reference an expected module
structure at an arbitrary memory address. This can be exploited to
dereference an arbitrary value in memory as a function pointer.

Successful exploitation allows execution of arbitrary code.

======================================================================
4) Solution

Upgrade to version 2.0.4.8.

======================================================================
5) Time Table

25/07/2011 - Vendor notified.
25/07/2011 - Vendor response.
27/12/2011 - Vendor releases fixed version.
11/01/2012 - Public disclosure.

======================================================================
6) Credits

Discovered by Carsten Eiram, Secunia Research.

======================================================================
7) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2012-0267 for the vulnerability.

======================================================================
8) 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/

======================================================================
9) Verification

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2012-2/

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

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

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