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

April 5th, 2010
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

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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