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Category:   Application (Firewall)  >   TIS Firewall Toolkit Vendors:   Trusted Information Systems
TIS Firewall Toolkit Buffer Overflow in ftp-gw May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1017481
SecurityTracker URL:
CVE Reference:   CVE-2007-0201   (Links to External Site)
Updated:  Jan 12 2007
Original Entry Date:  Jan 9 2007
Impact:   Execution of arbitrary code via network, User access via network
Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in the TIS Firewall Toolkit. A remote user may be able to execute arbitrary code on the target system.

A remote user can send specially crafted data to the ftp-gw trigger a buffer overflow in the cmd_usr() function and potentially execute arbitrary code on the target system. The code will run with the privileges of the target service.

Other vulnerabilities may also exist.

Marcus Ranum reported this vulnerability based on an analysis using source code analysis software from Fortify.

The original report is available at:

Impact:   A remote user may be able to execute arbitrary code on the target firewall.
Solution:   No solution was available at the time of this entry.
Cause:   Boundary error
Underlying OS:   Linux (Any), UNIX (Any)

Message History:   None.

 Source Message Contents

Date:  Mon, 8 Jan 2007 17:15:43 -0500
Subject:  Teaching an Old Dog New Tricks

> ftp-gw: line 679 (where the audit workbench identified "multiple issues") cmd_user()

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