Security vulnerabilities and automated fixes for aws issues
3 posts found
A hardcoded AWS Secret Access Key pattern was detected in the `settings.example` configuration file of an nginx AWS credentials module. While the value itself was a placeholder string, its format matched a real AWS secret key pattern, making it a dangerous template that could mislead developers into committing real credentials. The fix replaces the lookalike secret value with an unambiguous placeholder that cannot be mistaken for or used as a real credential.
A hardcoded AWS Access Key ID (`AKIAVCODYLSA53PQK4ZA`) was discovered embedded in a signed S3 URL within the `CVE-2024-51482.yaml` nuclei template file. This credential, while part of a pre-signed URL reference link, was flagged as a high-severity finding because it exposes a real AWS access key in a public repository. The fix removes the entire reference URL containing the embedded credential.
A critical command injection vulnerability (CWE-78) was discovered and patched in `utils/aws/resume.py`, where unsanitized user input was passed directly to `os.system()`, allowing attackers to execute arbitrary shell commands. The fix replaces the dangerous `os.system()` call with Python's `subprocess` module, which provides proper argument separation and eliminates shell interpretation of metacharacters. This post breaks down how the vulnerability worked, how it was exploited, and what every d