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Vulnerability Development: Re: Possible syslogd DoS ?

Re: Possible syslogd DoS ?

From: H D Moore <hdm_at_secureaustin.com>
Date: Fri, 5 Oct 2001 11:28:39 -0500

Are you sure tha /dev/urandom will never return a string with %[snpfdn] etc?
Your exploit may be exploitable ;)

On Friday 05 October 2001 12:19 am, Petr Baudis wrote:
>
> for(;;)
> {
> fgets(buffer, sizeof(buffer), fp);
> syslog(0, buffer);
> }

Fix: syslog(0, "%s", buffer); 

-- 
H D Moore
http://www.digitaldefense.net - work
http://www.digitaloffense.net - play
Received on Oct 05 2001
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