full-disclosure - ZDI-10-256: Novell iPrint Activex GetDriverSettings Remote Code Execution Vulnerability

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Message-ID: <EE499D69B3D0714590B6FE9762B0461104BF3275AA@emb01.unity.local>
Date: Thu, 18 Nov 2010 16:07:48 -0600
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: "'Full Disclosure (full-disclosure@...ts.grok.org.uk)'"
	<full-disclosure@...ts.grok.org.uk>,
	"'Bugtraq (bugtraq@...urityfocus.com)'" <bugtraq@...urityfocus.com>
Subject: ZDI-10-256: Novell iPrint Activex
 GetDriverSettings Remote Code Execution Vulnerability

ZDI-10-256: Novell iPrint Activex GetDriverSettings Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-10-256

November 18, 2010

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

-- Affected Vendors:
Novell

-- Affected Products:
Novell iPrint

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 10670.
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 Novell iPrint Client. User interaction is
required to exploit this vulnerability in that the target must visit a
malicious page or open a malicious file.

The flaw exists within the ienipp.ocx component. When handling the
exposed method a GetDriverSettings call is made into
nipplib!IppGetDriverSettings2 where the process will blindly copy user
supplied data into 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:
Novell states:
TID 7007234
(http://www.novell.com/support/viewContent.do?externalId=7007234).

-- Disclosure Timeline:
2010-11-15 - Vulnerability reported to vendor
2010-11-18 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Anonymous

-- 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
through the ZDI can find more information and sign-up at:

    http://www.zerodayinitiative.com

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TippingPoint provides its customers with zero day protection through
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an official vendor patch is publicly available. Furthermore, with the
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