11import datetime
2+ import shlex
23import re
34import subprocess
45from hashlib import md5
@@ -158,23 +159,28 @@ def csrf_lab_login(request):
158159 elif request .method == 'POST' :
159160 password = request .POST .get ('password' )
160161 username = request .POST .get ('username' )
161- password = md5 (password .encode ()).hexdigest ()
162- User = CSRF_user_tbl .objects .filter (username = username , password = password )
162+ # Use a stronger hashing algorithm such as bcrypt
163+ password_hash = bcrypt .hashpw (password .encode (), bcrypt .gensalt ())
164+ User = CSRF_user_tbl .objects .filter (username = username , password = password_hash )
163165 if User :
164166 payload = {
165167 'username' : username ,
166168 'exp' : datetime .datetime .utcnow () + datetime .timedelta (seconds = 300 ),
167169 'iat' : datetime .datetime .utcnow ()
168170 }
169- cookie = jwt .encode (payload , 'csrf_vulneribility' , algorithm = 'HS256' )
171+ # Use a strong, unique key for JWT encoding and store it securely
172+ secret_key = get_jwt_secret_key ()
173+ cookie = jwt .encode (payload , secret_key , algorithm = 'HS256' )
170174 response = redirect ("/mitre/9/lab/transaction" )
171- response .set_cookie ('auth_cookiee' , cookie )
175+ # Set the 'secure' attribute for the cookie
176+ response .set_cookie ('auth_cookiee' , cookie , secure = True , httponly = True )
172177 return response
173178 else :
174179 return redirect ('/mitre/9/lab/login' )
175180
181+
176182@authentication_decorator
177- @csrf_exempt
183+ @csrf_protect
178184def csrf_transfer_monei (request ):
179185 if request .method == 'GET' :
180186 try :
@@ -183,7 +189,7 @@ def csrf_transfer_monei(request):
183189 username = payload ['username' ]
184190 User = CSRF_user_tbl .objects .filter (username = username )
185191 if not User :
186- redirect ('/mitre/9/lab/login' )
192+ return redirect ('/mitre/9/lab/login' )
187193 return render (request , 'mitre/csrf_dashboard.html' , {'balance' : User [0 ].balance })
188194 except :
189195 return redirect ('/mitre/9/lab/login' )
@@ -209,17 +215,29 @@ def csrf_transfer_monei_api(request,recipent,amount):
209215 else :
210216 return redirect ('/mitre/9/lab/transaction' )
211217
212-
213- # @authentication_decorator
214- @csrf_exempt
218+ @csrf_protect
215219def mitre_lab_25_api (request ):
216220 if request .method == "POST" :
217221 expression = request .POST .get ('expression' )
218- result = eval (expression )
222+ # It's recommended to avoid using eval() and find an alternative way to process 'expression'
223+ # result = eval(expression) # This line is vulnerable and should be removed or replaced
224+ # Implement a safe way to evaluate the expression or handle the operation
225+ # For example, if expression is expected to be a mathematical operation, use a safe library like 'ast.literal_eval' with proper validation
226+ try :
227+ # Safely evaluate the expression
228+ result = safe_eval (expression )
229+ except Exception as e :
230+ # Handle exceptions or invalid expressions
231+ result = str (e )
219232 return JsonResponse ({'result' : result })
220233 else :
221234 return redirect ('/mitre/25/lab/' )
222235
236+ def safe_eval (expression ):
237+ # Implement a safe evaluation function or use a third-party library
238+ # This is a placeholder for the actual safe evaluation logic
239+ pass
240+
223241
224242@authentication_decorator
225243def mitre_lab_25 (request ):
@@ -230,9 +248,10 @@ def mitre_lab_17(request):
230248 return render (request , 'mitre/mitre_lab_17.html' )
231249
232250def command_out (command ):
233- process = subprocess .Popen (command , shell = True , stdout = subprocess .PIPE , stderr = subprocess .PIPE )
251+ safe_command = shlex .split (command )
252+ process = subprocess .Popen (safe_command , stdout = subprocess .PIPE , stderr = subprocess .PIPE )
234253 return process .communicate ()
235-
254+
236255
237256@csrf_exempt
238257def mitre_lab_17_api (request ):
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