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IBM Tivoli Provisioning Manager for OS Deployment TFTP Read Request Denial of Service

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Release Date:  2007-07-18    Views:  8,795

Secunia Advisory SA26093

Where:

From local network

Impact:

DoS

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability has been reported in IBM Tivoli Provisioning Manager for OS Deployment, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to a division-by-zero error in rembo.exe when processing TFTP read requests. This can be exploited to crash the rembo.exe service via a specially crafted TFTP read request with an invalid "blksize" field.

The vulnerability is reported in version 5.1.0.2. Other versions may also be affected.


Solution:
Apply Fix Pack 3, Version 5.1.0.3 (5.1.0-TIV-TPMOSD-FP0003). Please see the vendor's advisory for details.

Provided and/or discovered by:
Discovered by Manuel Santamarina Suarez, and reported via iDefense Labs.

Original Advisory:
IBM:
http://www-1.ibm.com/support/docview.wss?uid=swg24016347

iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=560

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: IBM Tivoli Provisioning Manager for OS Deployment TFTP Read Request Denial of Service

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