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Category:   Application (Generic)  >   IBM Tivoli Provisioning Manager Vendors:   IBM
IBM Tivoli Provisioning Manager Memory Corruption Error in Processing HTTP POST Requests May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1017840
SecurityTracker URL:  http://securitytracker.com/id/1017840
CVE Reference:   CVE-2007-1868   (Links to External Site)
Updated:  Apr 5 2007
Original Entry Date:  Apr 2 2007
Impact:   Denial of service via network, Execution of arbitrary code via network, Root access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5.1.0.1 and prior versions
Description:   A vulnerability was reported in IBM Tivoli Provisioning Manager for OS Deployment. A remote user may be able to execute arbitrary code on the target system. A remote user can cause denial of service conditions.

A remote user can send specially crafted data to trigger a heap overflow and cause the target service to crash or execute arbitrary code.

A specially crafted multi part/form-data HTTP POST request can trigger the memory corruption vulnerability.

The vendor was notified on January 30, 2007.

iDefense reported this vulnerability.

Impact:   A remote user may be able to execute arbitrary code on the target system.

A remote user can cause denial of service conditions.

Solution:   The vendor has issued a fixed version (5.1 Fix Pack 2).

The IBM advisory is available at:

http://www-1.ibm.com/support/docview.wss?uid=swg24015347

Vendor URL:  www-1.ibm.com/support/docview.wss?uid=swg24015347 (Links to External Site)
Cause:   Boundary error
Underlying OS:  Windows (Any)

Message History:   None.


 Source Message Contents

Subject:  iDefense Security Advisory 03.31.07: IBM Tivoli Provisioning Manager

IBM Tivoli Provisioning Manager for OS Deployment Multiple Vulnerabilities

iDefense Security Advisory 03.31.07
http://labs.idefense.com/intelligence/vulnerabilities/
Mar 31, 2007

I. BACKGROUND

IBM Corp.'s Tivoli Provisioning Manager for OS Deployment is a network
boot server that facilitates central management of networked
workstations. It implements Pre-boot Execution Environment (PXE) as
well as a Web-based administration service. More information can be
found at the following URL.

http://www-306.ibm.com/software/tivoli/products/prov-mgr-os-deploy/

II. DESCRIPTION

Remote exploitation of a multiple vulnerabilities within IBM Corp.'s
Tivoli Provisioning Manager for OS Deployment allows attackers to crash
the service or potentially execute arbitrary code with SYSTEM
privileges.

These vulnerabilities specifically exist in the handling of
multi part/form-data HTTP POST requests. Malformed requests can cause
invalid memory accesses leading to denial of service, or in some cases
heap corruption.

III. ANALYSIS

Exploitation allows an attacker to crash the service or potentially
execute arbitrary code with SYSTEM privileges.

No authentication is required to access the vulnerable code. The
attacker need only be able to send a specially crafted request to the
HTTP (8080) or HTTP-SSL (443) port of the management service.

It should be noted that this service can be run with reduced privileges.
iDefense recommends running this service with the least amount of
privileges possible.

IV. DETECTION

iDefense has confirmed the existence of these vulnerabilities within
version 5.1.0.116 of Tivoli Provisioning Manager for OS Deployment.
Older versions are suspected to be vulnerable as well.

V. WORKAROUND

Employing firewalls to limit access to the affected service will
mitigate exposure to these vulnerabilities.

VI. VENDOR RESPONSE

IBM Corp. Tivoli has addressed these vulnerabilities within Tivoli
Provisioning Manager for OS Deployment 5.1 Fix Pack 2. More information
is available from IBM Document swg24015347 at the following URL.

http://www-1.ibm.com/support/docview.wss?uid=swg24015347

VII. CVE INFORMATION

A Mitre Corp. Common Vulnerabilities and Exposures (CVE) number has not
been assigned yet.

VIII. DISCLOSURE TIMELINE

01/30/2007  Initial vendor notification
03/22/2007  Initial vendor response
03/31/2007  Coordinated public disclosure

IX. CREDIT

The discoverer of these vulnerabilities wishes to remain anonymous.  

Get paid for vulnerability research
http://labs.idefense.com/methodology/vulnerability/vcp.php

Free tools, research and upcoming events
http://labs.idefense.com/

X. LEGAL NOTICES


Permission is granted for the redistribution of this alert
electronically. It may not be edited in any way without the express
written consent of iDefense. If you wish to reprint the whole or any
part of this alert in any other medium other than electronically,
please e-mail customerservice@idefense.com for permission.

Disclaimer: The information in the advisory is believed to be accurate
at the time of publishing based on currently available information. Use
of the information constitutes acceptance for use in an AS IS condition.
 There are no warranties with regard to this information. Neither the
author nor the publisher accepts any liability for any direct,
indirect, or consequential loss or damage arising from use of, or
reliance on, this information.

 
 


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