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.
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.
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.
iDefense has confirmed the existence of these vulnerabilities within version 184.108.40.206 of Tivoli Provisioning Manager for OS Deployment. Older versions are suspected to be vulnerable as well.
Employing firewalls to limit access to the affected service will mitigate exposure to these vulnerabilities.
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 swg24015664 at the following URL.
A Mitre Corp. Common Vulnerabilities and Exposures (CVE) number has not been assigned yet.
01/30/2007 Initial vendor notification
03/22/2007 Initial vendor response
03/31/2007 Coordinated public disclosure
The discoverer of these vulnerabilities wishes to remain anonymous.
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Copyright © 2007 Verisign, Inc.
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