IBM Corp.'s 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. More information can be found at the following URL.
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.
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.
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.
iDefense has confirmed the existence of this vulnerability in IBM Tivoli Provisioning Manager for OS Deployment version 188.8.131.52. Previous versions may also be affected.
iDefense is currently unaware of any workarounds for this issue.
The IBM Tivoli team has addressed this vulnerability within Tivoli Provisioning Manager for OS Deployment Interim Fix 3, Version 184.108.40.206. More information is available from IBM Document swg24018010 at the following URL.
The Common Vulnerabilities and Exposures (CVE) project has assigned the name CVE-2008-0401 to this issue. This is a candidate for inclusion in the CVE list (http://cve.mitre.org/), which standardizes names for security problems.
10/24/2007 Initial vendor notification
10/24/2007 Initial vendor response
01/22/2008 Coordinated public disclosure
The discoverer of this vulnerability wishes to remain anonymous.
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