[OLSR-users] Freifunk-Firmware: Remote Exploit

Sven-Ola Tuecke (spam-protected)
Mon Apr 10 17:43:45 CEST 2006


the Freifunk Firmware has a remote exploit. Included since the first 
versions. The knowledge about this is spreading too fast. For this reason 
you will find a worm-like fix as emergency hack attached to this mail. Put 
the file to any WRT in your mesh running Freifunk and do this:

gunzip /tmp/fixbackdoor.sh.gz
  (Verify: No CRC error should show up!)
chmod +x /tmp/fixbackdoor.sh
  (To make it executable)
  (Start. First repairs yourself, then all neigbours)

This a a worm - which spreads on all devices running Freifunk. After running 
through the mesh, all devices are closed for this kind of exploit.

LG, Sven-Ola
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