Advisory Details

April 5th, 2010

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

ZDI-10-062
ZDI-CAN-383

CVE ID CVE-2010-0625
CVSS SCORE 10.0, AV:N/AC:L/Au:N/C:C/I:C/A:C
AFFECTED VENDORS Novell
AFFECTED PRODUCTS Netware
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['6331']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
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.
ADDITIONAL DETAILS

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 Nick DeBaggis
Francis Provencher
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