T08 · Insecure Dependencies
Warning
- Location
- requirements.txt:1
- Finding
- Unbounded and Unnecessary Third-Party Dependencies Expand the Supply-Chain Attack Surface<![CDATA[ ## Vulnerability Details **File Location**: `requirements.txt:1-6` **Vulnerability Type**: Unbounded third-party dependency resolution **Risk Level**: Medium ### Vulnerable Code ```text requests>=2.31.0 beautifulsoup4>=4.12.0 pandas>=2.0.0 numpy>=1.24.0 python-dotenv>=1.0.0 aiohttp>=3.9.0 ``` The associated installation instruction appears at `README.md:113-119`: ```bash skillhub install amazon-fba-finder clawhub install amazon-fba-finder pip install -r requirements.txt ``` ### Technical Analysis Every dependency has only a lower version bound. Consequently, an installation can resolve to any future package version available from the configured Python package index. The project does not provide a lock file, exact version constraints, or package hashes that would allow installers to verify that they are using versions reviewed by the project authors. Only `aiohttp` is imported by the application code. The declared `requests`, `beautifulsoup4`, `pandas`, `numpy`, and `python-dotenv` packages are not used by the reviewed implementation. Installing these unnecessary packages increases the number of maintainers, transitive dependencies, build systems, and package releases that must remain trustworthy. This is not evidence that any currently declared package is malicious. The weakness is that a later compromised or otherwise unsafe release could be selected automatically without a project change or additional review. Source distributions may also execute package-controlled build logic during installation. ### Attack Path 1. A user follows the documented installation procedure and runs `pip install -r requirements.txt`. 2. Pip queries the user's configured package index and selects the newest versions satisfying the lower bounds. 3. A dependency or transitive dependency publishes a compromised future release, or the configured index serves an untrusted artifact. 4. Because there is no upper bound, exact pin, lock file, or hash verification, pip ac ...[truncated 843 chars]
- Remediation
- <![CDATA[ ## Remediation Suggestions 1. Remove dependencies that are not imported or otherwise required: - `requests` - `beautifulsoup4` - `pandas` - `numpy` - `python-dotenv` 2. Pin each required direct and transitive dependency to a reviewed version using a generated lock file. 3. Require hashes during installation, for example through a hash-locked requirements file and `pip install --require-hashes`. 4. Prefer reviewed binary wheels and explicitly control whether source distributions are permitted in production installation workflows. 5. Run dependency vulnerability and provenance checks in CI. 6. Use a trusted package index and prevent unintended fallback to uncontrolled extra indexes. 7. Periodically update pins through a reviewed dependency-update process rather than resolving unrestricted future versions at installation time. ]]>