ZDI-10-062: Novell Netware NWFTPD RMD/RNFR/DELE Argument Parsing Remote Code Execution Vulnerabilities Apr 05 2010 07:27PM
ZDI Disclosures (zdi-disclosures tippingpoint com)
ZDI-10-062: Novell Netware NWFTPD RMD/RNFR/DELE Argument Parsing Remote Code Execution Vulnerabilities
April 5, 2010

-- CVE ID:

-- Affected Vendors:

-- Affected Products:
Novell Netware

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 6331.
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-- 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

-- Credit:
This vulnerability was discovered by:
* Nick DeBaggis
* Francis Provencher

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