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ZDI-11-329 : InduSoft WebStudio CEServer Operation 0x15 Remote Code Execution Vulnerability
From: ZDI Disclosures <zdi-disclosures () tippingpoint com>
Date: Wed, 16 Nov 2011 11:32:36 -0600

Hash: SHA1

ZDI-11-329 : InduSoft WebStudio CEServer Operation 0x15 Remote Code
Execution Vulnerability
November 16, 2011

- -- CVE ID:

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

- -- Affected Vendors:


- -- 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:


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

The flaw exists within the CEServer component which is used as a runtime
dependency for applications deployed using Indusoft WebStudio. When
handling the Remove File operation (0x15) the process blindly copies
user supplied data to a fixed-length buffer on the stack. A remote
attacker can exploit this vulnerability to execute
arbitrary code under the context of the browser.

- -- Vendor Response:

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


- -- 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):
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a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
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TippingPoint provides its customers with zero day protection through
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specifics of the vulnerability are not exposed to any parties until
an official vendor patch is publicly available. Furthermore, with the
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