Novell Netware NWFTPD.NLM DELE Remote Code Execution Vulnerability

March 18th, 2011
ZDI-11-106 ZDI-CAN-940

CVE ID

CVE-2010-4228

CVSS Score

9.0 AV:N/AC:L/Au:S/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. Authentication is required to exploit this vulnerability.

The flaw exists within NWFTPD.NLM. When handling the argument provided to the DELE command the application copies user supplied data to a fixed length stack buffer. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the super user.

Additional Details

Novell has issued an update to correct this vulnerability. More details can be found at:
http://download.novell.com/Download?buildid=Ax6AbxwGLTs~

Disclosure Timeline

  • 2010-09-22 - Vulnerability reported to vendor
  • 2011-03-18 - Coordinated public release of advisory

Credit

Francis Provencher for Protek Research Lab's

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