Title: Native Instruments Service Center 2.2.5 Insecure Library Loading Vulnerability
Advisory ID: ZSL-2010-4975
Type: Local/Remote
Impact: System Access
Risk: (5/5)
Release Date: 20.11.2010

Summary

The NI Service Center is a service used for Product Activation.

Description

The Service Center suffers from a DLL hijacking vulnerability, which could be exploited by remote attackers to compromise a vulnerable system. This issue is caused due to the application insecurely loading certain libraries ("schannel.dll") from the current working directory, which could allow attackers to execute arbitrary code by tricking a user into opening an activation return file (.naf) from a network share.

Vendor

Native Instruments GmbH - http://www.native-instruments.com

Affected Version

2.2.5 (R596)

Tested On

Microsoft Windows XP Professional SP3 (English)

Vendor Status

[06.11.2010] Vulnerability discovered.
[09.11.2010] Contact with the vendor.
[09.11.2010] Vendor replies.
[09.11.2010] Explained to the vendor that we want to report a vulnerability.
[09.11.2010] Vendor answers in confusion.
[09.11.2010] Explained in details what this is all about.
[10.11.2010] Vendor informs the corresponding department and stated that if they're interested, they'll contact us.
[18.11.2010] Nobody gets in touch with us.
[19.11.2010] Informed the vendor that the public disclosure will occur on 20th of November.
[20.11.2010] Public advisory released.

PoC

scenter_dll.c

Credits

Vulnerability discovered by Gjoko Krstic - <gjoko@zeroscience.mk>

References

[1] http://www.exploit-db.com/dll-hijacking-vulnerable-applications/
[2] http://packetstormsecurity.org/files/96001
[3] http://www.securityfocus.com/bid/44989
[4] http://xforce.iss.net/xforce/xfdb/61321

Changelog

[20.11.2010] - Initial release
[22.11.2010] - Added reference [1], [2] and [3]
[24.11.2010] - Added reference [4]

Contact

Zero Science Lab

Web: http://www.zeroscience.mk
e-mail: lab@zeroscience.mk