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TITLE:
No-IP Windows Dynamic Update Client Information Disclosure

SECUNIA ADVISORY ID:
SA30714

VERIFY ADVISORY:
http://secunia.com/advisories/30714/

CRITICAL:
Less critical

IMPACT:
Exposure of sensitive information

WHERE:
Local system

SOFTWARE:
No-IP Windows Dynamic Update Client 2.x
http://secunia.com/product/15452/

DESCRIPTION:
Charalambous Glafkos and George Nicolaou have discovered a security
issue in No-IP Windows Dynamic Update Client (DUC), which can be
exploited by malicious, local users to disclose sensitive
information.

The security issue is caused due to the application storing user
credentials within the Windows registry
(HKLM\Software\Vitalwerks\DUC\) without proper permission settings.
This can be exploited to disclose e.g. the "Username",
"TrayPassword", and "Password" of the DUC user.

The security issue is confirmed in No-IP Windows DUC version 2.2.1.
Other versions may also be affected.

SOLUTION:
Grant only trusted users access to affected systems.

PROVIDED AND/OR DISCOVERED BY:
Charalambous Glafkos and George Nicolaou

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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