[NT] IBM Tivoli PMfOSD HTTP Request Method Buffer Overflow Vulnerability



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IBM Tivoli PMfOSD HTTP Request Method Buffer Overflow Vulnerability
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SUMMARY

IBM Corp.'s
<http://www-306.ibm.com/software/tivoli/products/prov-mgr-os-deploy/>
Tivoli Provisioning Manager for OS Deployment is "a network boot server
that facilitates central management of networked workstations. It
implements Preboot Execution Environment (PXE), a Web-based administration
service, DHCP, TFTP, and several additional protocols". Remote
exploitation of a buffer overflow vulnerability in the web server
component of IBM Corp.'s Tivoli Provisioning Manager for OS Deployment
allows attackers to cause a denial of service condition or potentially
execute arbitrary code with SYSTEM privileges.

DETAILS

Vulnerable Systems:
* IBM Tivoli Provisioning Manager for OS Deployment version 5.1.0.3

Immune Systems:
* IBM Tivoli Provisioning Manager for OS Deployment version 5.1.0.3
Interim Fix 3

This vulnerability specifically exists within the logging functionality of
the web server component. By making requests with a large HTTP request
method, an attacker can cause a static-sized buffer to be overrun with
data they supplied.

Analysis:
Exploitation allows an attacker to cause a denial of service condition or
potentially execute arbitrary code with SYSTEM privileges.

In order to exploit this vulnerability, an attacker must be able to
establish a session on TCP port 443 with target machine. No credentials
are required to trigger the vulnerable code path.

Vendor response:
The IBM Tivoli team has addressed this vulnerability within Tivoli
Provisioning Manager for OS Deployment Interim Fix 3, Version 5.1.0.3.
More information is available from IBM Document swg24018010 at the
following URL: <http://www-1.ibm.com/support/docview.wss?uid=swg24018010>
http://www-1.ibm.com/support/docview.wss?uid=swg24018010

CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0401>
CVE-2008-0401

Disclosure Timeline:
10/24/2007 - Initial vendor notification
10/24/2007 - Initial vendor response
01/22/2008 - Coordinated public disclosure


ADDITIONAL INFORMATION

The information has been provided by iDefense Labs.
The original article can be found at:
<http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=647>
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=647



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