Re: WU-FTPD 2.6.2 Freezer
From: Seth Arnold (sarnold_at_wirex.com)
Date: 10/31/03
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- In reply to: Angelo Rosiello: "WU-FTPD 2.6.2 Freezer"
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Date: Fri, 31 Oct 2003 11:40:44 -0800 To: bugtraq@securityfocus.com
On Fri, Oct 31, 2003 at 02:55:43PM -0000, Angelo Rosiello wrote:
> for( i=0; i<loop; i++ )
> {
> write( sd, "LIST -w 1000000 -C\n", 19 );
> }
It is probably worth pointing out that it is FSF ls(1) at fault here;
wu-ftpd just provides a convenient way for potentially unauthenticated
users to DoS the machine. If your OS supports rlimits (ulimit(3)), I
believe they will provide reliable protection against this problem.
-- http://www.immunix.com/ secure Linux distributions and appliances
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- Previous message: Adam Shostack: "Macos 10.2.8"
- In reply to: Angelo Rosiello: "WU-FTPD 2.6.2 Freezer"
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