T08 · Insecure Dependencies
- Location
SKILL.md:217- Finding
Unpinned Third-Party Python Dependencies
- Content
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Vulnerability Details
File Location:
SKILL.md, lines 217–221
Vulnerability Type: Unpinned and integrity-unverified third-party dependencies
Risk Level: MediumVulnerable Code
bash pip install requests pip install redis pip install jinja2Technical Analysis
The installation instructions resolve mutable package versions without a lockfile, explicit version constraints, cryptographic hashes, or restrictions on the package index. Consequently, the dependencies installed by users may differ from those originally reviewed by the Skill author.
Although the listed package names correspond to established projects, unrestricted resolution still exposes users to compromised upstream releases, compromised package-index accounts, malicious packages supplied through an untrusted configured index, and unexpected security or compatibility changes in future releases.
Python package installation can execute package build or installation logic with the permissions of the user running
pip. The resulting packages are then imported into an environment expected to contain Telegram bot tokens, webhook addresses, conversation data, and other operational information.Attack Path
- An attacker compromises an upstream package release, a package-index account, or an index configured in the victim's Python environment.
- A user follows the instructions in
SKILL.mdand runs one of the unrestrictedpip installcommands. pipresolves the dependency from the configured index without enforcing an audited version or expected artifact hash.- The malicious or compromised artifact is downloaded and installed.
- Installation-time code or subsequently imported package code executes with the invoking user's privileges.
- The compromised dependency may access bot tokens, webhook secrets, local conversation databases, files available to the process, or network resources.
Impact Assessment
Success ...[truncated 680 chars]
- Remediation
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Remediation Suggestions
- Pin every direct dependency to a reviewed version rather than allowing unrestricted latest-version resolution.
- Maintain a lockfile that records all direct and transitive dependency versions.
- Record cryptographic hashes for approved distribution artifacts and install them using
pip install --require-hashes. - Explicitly configure and document a trusted package index instead of inheriting potentially unsafe index settings.
- Prefer prebuilt, reviewed wheels and disable source builds where operationally practical.
- Install dependencies inside an isolated virtual environment under a non-administrative account.
- Run dependency vulnerability and provenance checks before updating pinned versions.
- Review updates in a controlled environment before deploying them alongside Telegram credentials or production data.