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             AUSCERT External Security Bulletin Redistribution

           IBM DB2 install_jar Arbitrary File Upload Remote Code
                          Execution Vulnerability
                              20 October 2010


        AusCERT Security Bulletin Summary

Product:           IBM DB2 Universal Database
Publisher:         Zero Day Initiative
Operating System:  Windows
                   Linux variants
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2008-2154  

Original Bulletin: 

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IBM DB2 install_jar Arbitrary File Upload Remote Code Execution Vulnerability
ZDI-10-218: October 19th, 2010



CVSS Score

      9, (AV:N/AC:L/Au:S/C:C/I:C/A:C) 

Affected Vendors


Affected Products

      DB2 Universal Database

TippingPoint IPS Customer Protection
TippingPoint IPS customers are protected against this vulnerability by Digital 
Vaccine protection filter ID 10114. For further product information on the 
TippingPoint IPS:


Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on 
vulnerable installations of IBM DB2. Authentication is required in that a user 
must have the ability to connect to the database.

The specific flaw exists within the install_jar procedure. The install_jar 
procedure contains a directory traversal vulnerability that will allow the 
attacker to upload a Jar file to a directory outside of the intended 
"\function\jar\Name_of_logged_user\" directory. A remote attacker can abuse 
this to execute arbitrary code under the context of the SYSTEM user.

Vendor Response

IBM states:

IZ21983: http://www-01.ibm.com/support/docview.wss?uid=swg1IZ21983
IZ22143: http://www-01.ibm.com/support/docview.wss?uid=swg1IZ22143

Disclosure Timeline

      2010-06-17 - Vulnerability reported to vendor
      2010-10-19 - Coordinated public release of advisory


This vulnerability was discovered by:


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