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CVE-2020-7471 PoC — Django SQL注入漏洞

Source
Associated Vulnerability
Title: Django SQL注入漏洞 (CVE-2020-7471)
Description:Django 1.11 before 1.11.28, 2.2 before 2.2.10, and 3.0 before 3.0.3 allows SQL Injection if untrusted data is used as a StringAgg delimiter (e.g., in Django applications that offer downloads of data as a series of rows with a user-specified column delimiter). By passing a suitably crafted delimiter to a contrib.postgres.aggregates.StringAgg instance, it was possible to break escaping and inject malicious SQL.
Description
Reproduce CVE-2020-7471
Readme
# CVE-2020-7471
SQL injection via StringAgg delimeter input

# Setup:
Run `./setup.sh` for initial setup

Open the docker image to initiate the database:
`docker exec -it {container_id} /bin/bash`
And run the following commands:
```
python manage.py makemigrations vul_app
python manage.py migrate
```

Start the instances using: 
`docker-compose up`

Now open the following URL to load sample data:

http://localhost:8000/vul_app/setupdb

Then go to the vulnerable page at:
http://localhost:8000/vul_app/

Exploit the parameter at:
http://localhost:8000/vul_app/?delim=!@#
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