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ZDI-11-330 : InduSoft WebStudio Unauthenticated Remote Operations Remote Code Execution Vulnerability
From: ZDI Disclosures <zdi-disclosures () tippingpoint com>
Date: Wed, 16 Nov 2011 11:34:06 -0600

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ZDI-11-330 : InduSoft WebStudio Unauthenticated Remote Operations
Remote Code Execution Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-11-330
November 16, 2011

- -- CVE ID:
CVE-2011-4051

- -- CVSS:
9, AV:N/AC:L/Au:N/C:P/I:P/A:C

- -- Affected Vendors:

Indusoft



- -- Affected Products:

Indusoft WebStudio



- -- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 11473.
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

- -- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Indusoft Web Studio. Authentication is not
required to exploit this vulnerability.

The flaw exists within the Remote Agent component (CEServer.exe) which
listens by default on TCP port 4322. When handling incoming requests the
process fails to perform any type of authentication. Many available
operations allow direct manipulation and creation of files on disk,
loading of arbitrary DLLs and process control. A remote attacker can
exploit this vulnerability to execute arbitrary code under the context
of the User.

- -- Vendor Response:

Indusoft has issued an update to correct this vulnerability. More
details can be found at:

http://www.indusoft.com/hotfixes/hotfixes.php



- -- Disclosure Timeline:
2011-04-27 - Vulnerability reported to vendor
2011-11-16 - Coordinated public release of advisory

- -- Credit:
This vulnerability was discovered by:

* Luigi Auriemma



- -- About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

    http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is
used. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint provides its customers with zero day protection through
its intrusion prevention technology. Explicit details regarding the
specifics of the vulnerability are not exposed to any parties until
an official vendor patch is publicly available. Furthermore, with the
altruistic aim of helping to secure a broader user base, TippingPoint
provides this vulnerability information confidentially to security
vendors (including competitors) who have a vulnerability protection or
mitigation product.

Our vulnerability disclosure policy is available online at:

    http://www.zerodayinitiative.com/advisories/disclosure_policy/

Follow the ZDI on Twitter:

    http://twitter.com/thezdi
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