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             AUSCERT External Security Bulletin Redistribution

                  Code execution vulnerability in NWFTPD
                               6 April 2010


        AusCERT Security Bulletin Summary

Product:           Novell Netware NWFTPD
Publisher:         Zero Day Initiative
Operating System:  Netware
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2010-0625  

Original Bulletin: 

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Novell Netware NWFTPD RMD/RNFR/DELE Argument Parsing Remote Code Execution 

ZDI-10-062: April 5th, 2010



Affected Vendors


Affected Products


TippingPoint IPS Customer Protection
TippingPoint IPS customers are protected against this vulnerability by 
Digital Vaccine protection filter ID 6331. For further product information 
on the TippingPoint IPS:


Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on 
vulnerable installations of Novell Netware NWFTPD daemon. Authentication 
or default anonymous access is required to exploit this vulnerability.

The specific flaw exists when parsing malformed arguments to the verbs 
RMD, RNFR, and DELE. Overly long parameters will result in stack based 
buffer overflows which can be leveraged to execute arbitrary code.

Vendor Response

Novell states:

A public fix for this issue has been released in download nwftpd16.zip, 
available at http://download.novell.com/patch/finder/

Disclosure Timeline

      2008-08-26 - Vulnerability reported to vendor
      2010-04-05 - Coordinated public release of advisory

This vulnerability was discovered by:

      Nick DeBaggis
      Francis Provencher

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