bugtraq - ZDI-11-087: Novell iPrint LPD Remote Code Execution Vulnerability

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Message-ID: <AF6E290B52139041BD6CA591212E455B575D196955@GVW0442EXB.americas.hpqcorp.net>
Date: Thu, 17 Feb 2011 00:09:11 +0000
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: "'full-disclosure@...ts.grok.org.uk'" <full-disclosure@...ts.grok.org.uk>,
	"'bugtraq@...urityfocus.com'" <bugtraq@...urityfocus.com>
Subject: ZDI-11-087: Novell iPrint LPD Remote Code Execution Vulnerability

ZDI-11-087: Novell iPrint LPD Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-087

February 16, 2011

-- CVE ID:
CVE-2010-4328

-- 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 8562. 
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 Server. Authentication is not
required to exploit this vulnerability.

The flaw exists within the '/opt/novell/iprint/bin/ipsmd' component this
component communicates with 'ilprsrvd' which listens on TCP port 515.
When handling multiple LPR opcodes the process blindly copies 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 iprint user.

-- Vendor Response:
Novell states:
http://download.novell.com/Download?buildid=KloKR_CmrBs~
The problem is documented in Novell TID 7007858.

-- Disclosure Timeline:
2010-12-01 - Vulnerability reported to vendor
2011-02-16 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Francis Provencher for Protek Research Lab&#39;s

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