T08 · Insecure Dependencies
- Location
SKILL.md:28- Finding
Unpinned Third-Party Dependency Installation
- Content
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Vulnerability Details
File Location:
SKILL.md, lines 25-29
Vulnerability Type: Unpinned third-party dependency and supply-chain exposure
Risk Level: MediumVulnerable Code
markdown ## Setup Before using this skill, ensure the dependencies are installed in your environment: ```bash pip install yfinancetext The security-relevant command is on line 28: ```bash pip install yfinanceTechnical Analysis
The installation instructions retrieve the latest available release of
yfinanceand its transitive dependencies without specifying reviewed versions or verifying package hashes. Consequently, installations performed at different times may resolve to different code.This creates a supply-chain risk if a future package version or one of its dependencies is compromised. Python packages can execute installation or build-related code during installation, and package code is subsequently loaded by
logic.pythroughimport yfinance as yf. The project provides no lock file, version constraint, hash verification, or documented package-integrity control.The reviewed source does not demonstrate that the current
yfinancepackage is malicious. The finding concerns the unsafe and non-reproducible dependency installation process.Attack Path
- An attacker compromises a future
yfinancerelease, one of its transitive dependencies, or the associated package publishing account. - A user follows the documented
pip install yfinanceinstruction after the compromised release becomes the version selected by the package resolver. - The compromised package executes code during installation, build processing, or subsequent import.
- The user invokes
logic.py, which importsyfinance, activating malicious package code if it was not already executed during installation. - The malicious code runs with the permissions of the account executing
pipor the skill.
Impact Assess
...[truncated 467 chars]
- An attacker compromises a future
- Remediation
View remediation
Remediation Suggestions
-
Add a dependency manifest that pins
yfinanceand every resolved transitive dependency to reviewed versions. -
Generate and record cryptographic hashes for all approved distributions.
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Install dependencies using hash verification, for example:
bash python3 -m pip install --require-hashes -r requirements.txt -
Use an isolated virtual environment rather than installing into the system Python environment.
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Review and update pinned dependencies through a controlled process that includes vulnerability scanning and release-diff inspection.
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Configure package installation to use only the intended trusted index and avoid unreviewed extra indexes.
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Do not execute package installation with administrative privileges unless explicitly required and separately justified.
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