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

SECUNIA ADVISORY ID:
SA26093

VERIFY ADVISORY:
http://secunia.com/advisories/26093/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From local network

SOFTWARE:
IBM Tivoli Provisioning Manager for OS Deployment 5.x
http://secunia.com/product/13836/

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

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About:
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