Understanding the Mysterious File Path: -file-..-2F..-2F..-2F..-2Fhome-2F-2A-2F.aws-2Fcredentials
filename = request.args.get('file')
with open('/var/log/app/' + filename, 'r') as f:
return f.read()
Protecting your environment requires a multi-layered security approach: 1. Input Validation and Sanitization -file-..-2F..-2F..-2F..-2Fhome-2F-2A-2F.aws-2Fcredentials
The payload uses directory traversal sequences (../ or encoded as ..-2F) to "break out" of the intended application directory and access the root filesystem. The goal is to reach the .aws/credentials file, which contains plain-text aws_access_key_id and aws_secret_access_key tokens. Write-up: Exfiltrating AWS Credentials via Path Traversal Vulnerability Class: Path Traversal / Arbitrary File Read. Target File: /home/[user]/.aws/credentials. Payload Mechanism: Understanding the Mysterious File Path: -file-
Escalate Privileges: Use the stolen keys to access your AWS infrastructure (S3 buckets, EC2 instances, RDS databases). 'r') as f: return f.read()