T08 · Insecure Dependencies
- Location
SKILL.md:37- Finding
Unpinned Third-Party Python Dependencies
- Content
View full analysis
Vulnerability Details
File Location:
SKILL.md, lines 37–40
Vulnerability Type: Unpinned third-party dependencies
Risk Level: MediumVulnerable Code Snippet:
markdown ### Install Dependencies ```bash pip install pandas numpy xgboost tusharetext ### Technical Analysis The installation command retrieves third-party packages without exact version constraints, cryptographic hashes, or a dependency lockfile. This allows the resolved package versions to change between installations and prevents users from verifying that downloaded artifacts match versions reviewed by the project maintainer. Python package installation may execute package-controlled build or installation logic. If an upstream release or package-distribution account is compromised, a user following this command could install and execute attacker-controlled code. The listed names do not exhibit obvious typosquatting, and no untrusted custom package index is specified; therefore, the finding concerns insufficient dependency integrity controls rather than evidence that any named package is currently malicious. ### Attack Path 1. An attacker compromises an upstream dependency, its maintainer account, or its distribution process. 2. The attacker publishes a malicious release under one of the dependency names. 3. A user runs `pip install pandas numpy xgboost tushare` as documented. 4. Because no approved versions or hashes are enforced, `pip` may resolve and download the malicious release. 5. Package-controlled installation, build, import, or runtime code executes with the permissions of the user running the command. ### Impact Assessment Successful exploitation could provide arbitrary code execution with the privileges of the invoking user. Within that privilege boundary, malicious dependency code could read or modify accessible files, tamper with strategy calculations and backtest results, access environment v ...[truncated 474 chars]- Remediation
View remediation
Remediation Suggestions
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Pin every direct dependency to an exact, reviewed version in a requirements or lock file.
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Generate and verify cryptographic hashes for all resolved packages, including transitive dependencies.
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Install with hash enforcement, for example:
bash python -m pip install --require-hashes -r requirements.txt -
Use a dependency-management tool that produces a reproducible lockfile and review lockfile changes before release.
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Explicitly use a trusted package index and avoid unreviewed additional indexes or dependency sources.
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Recommend installation inside a dedicated virtual environment or other isolated environment under a non-privileged account.
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Add automated dependency vulnerability and provenance checks to the release process.
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Periodically update pinned versions through reviewed changes rather than resolving unrestricted latest versions during end-user installation.
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