bugtraq - ZDI-11-161: HP 3COM/H3C Intelligent Management Center tftpserver WRQ Remote Code Execution Vulnerability

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Message-ID: <AF6E290B52139041BD6CA591212E455B57623B63B1@GVW0442EXB.americas.hpqcorp.net>
Date: Tue, 10 May 2011 18:16:44 +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-11-161: HP 3COM/H3C Intelligent Management Center tftpserver
 WRQ Remote Code Execution Vulnerability

ZDI-11-161: HP 3COM/H3C Intelligent Management Center tftpserver WRQ Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-11-161

May 10, 2011

-- CVE ID:
CVE-2011-1849

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

-- Affected Vendors:
Hewlett-Packard

-- Affected Products:
Hewlett-Packard H3C Intelligent Management Center

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 10907. 
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 HP H3C Intelligent Management Center.
Authentication is not required to exploit this vulnerability. 

The flaw exists within the tftpserver.exe component which listens by
default on UDP port 69. When handling WRQ opcode types the server allows
arbitrary file creation. Additionally, the server is configured to
truncate/overwrite existing files. This process is owned by the SYSTEM
user. A remote attacker can exploit this vulnerability to execute
arbitrary code under the context of the SYSTEM user.

-- Vendor Response:
Hewlett-Packard has issued an update to correct this vulnerability. More
details can be found at:

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02822750

-- Disclosure Timeline:
2010-12-01 - Vulnerability reported to vendor
2011-05-10 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Luigi Auriemma

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