Re: QNX RTP ftpd stack overflow

2001-02-04 Thread Robert A. Seace
In the profound words of Przemyslaw Frasunek: > > On Fri, Feb 02, 2001 at 03:08:12PM -0800, Ted U wrote: > > tested on qnx rtp as released on jan. 18 from get.qnx.com. doesn't work. > > i tried significantly more a's and nothing happens. i get the normal > > repsonse from stat. > > Are you sure?

Re: QNX RTP ftpd stack overflow

2001-02-03 Thread Przemyslaw Frasunek
On Fri, Feb 02, 2001 at 03:08:12PM -0800, Ted U wrote: > tested on qnx rtp as released on jan. 18 from get.qnx.com. doesn't work. > i tried significantly more a's and nothing happens. i get the normal > repsonse from stat. Are you sure? This is output from the same version of QNX RTP, downloade

Re: QNX RTP ftpd stack overflow

2001-02-02 Thread Ted U
tested on qnx rtp as released on jan. 18 from get.qnx.com. doesn't work. i tried significantly more a's and nothing happens. i get the normal repsonse from stat. /-\ / Ted Unangst - [EMAIL PROTECTED] http://heorot.stanford

Re: QNX RTP ftpd stack overflow

2001-02-02 Thread Przemyslaw Frasunek
On Fri, Feb 02, 2001 at 03:04:31PM -0800, Kris Kennaway wrote: > > BTW. Old BSD derived ftpd is also used in opieftpd and SSLftpd. Both are > > vulnerable to this attack. > In case anyone is wondering how old is old: The same problem persists in heimdal / kerberosIV ftpd implementation: hei

Re: QNX RTP ftpd stack overflow

2001-02-02 Thread Kris Kennaway
On Fri, Feb 02, 2001 at 08:03:09PM +0100, Przemyslaw Frasunek wrote: > BTW. Old BSD derived ftpd is also used in opieftpd and SSLftpd. Both are > vulnerable to this attack. In case anyone is wondering how old is old: revision 1.5 date: 1996/11/20 22:12:50; aut

QNX RTP ftpd stack overflow

2001-02-02 Thread Przemyslaw Frasunek
QNX RTP uses a BSD derived FTP server, which is vulnerable to strtok() based stack overflow. Offending code from ftpd/popen.c: char **pop, *argv[100], *gargv[1000], *vv[2]; for (argc = 0, cp = program;; cp = NULL) if (!(argv[argc++] = strtok(cp, " \t\n")))