T08 · Insecure Dependencies
- Location
SKILL.md:347- Finding
Unpinned Third-Party Dependency Installation
- Content
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Vulnerability Details
File Location:
SKILL.md, line 347
Vulnerability Type: Unpinned third-party dependency installation
Risk Level: MediumVulnerable Code
markdown | jieba | Python library | Optional | `pip install jieba` (for Chinese word segmentation) |Technical Analysis
The documentation instructs users or an AI agent to install
jiebawithout specifying a reviewed version, verifying package hashes, using a lockfile, or identifying a trusted package index. The installed artifact can therefore change over time without any corresponding change to the audited Skill.Although the dependency is optional, users who want Chinese word segmentation may follow this instruction. Python package installation can execute package-controlled build or installation logic. Consequently, compromise of the package, its distribution account, the configured package index, or the dependency-resolution path could turn this instruction into arbitrary local code execution.
The project does not contain the advertised Python implementation, so the dependency's runtime use could not be verified. No evidence was found that the Skill intentionally selects a malicious or typosquatted package.
Attack Path
- A user or AI agent enables the documented Chinese word-segmentation capability.
- It runs
pip install jiebaas instructed. pipresolves the current package from the environment's configured index without a version or integrity constraint.- If the selected distribution or package source has been compromised, attacker-controlled installation or package code executes.
- The code runs with the privileges and environment access of the account invoking
pipor subsequently importing the package.
Impact Assessment
Successful exploitation could provide arbitrary code execution under the invoking user's privileges. The attacker could access files, environment variables, note databases, and network resources available to that account ...[truncated 382 chars]
- Remediation
View remediation
Remediation Suggestions
- Pin
jiebato a reviewed, exact version rather than resolving the latest release. - Record cryptographic hashes in a dependency lock or requirements file and install with hash enforcement:
bash python -m pip install --require-hashes -r requirements.txt - Explicitly use a trusted package index and ensure TLS certificate verification remains enabled.
- Recommend installation inside a dedicated virtual environment under a non-privileged account:
bash python -m venv .venv .venv/bin/python -m pip install --require-hashes -r requirements.txt - Review and update the pinned dependency through a controlled process that includes provenance, vulnerability, and integrity checks.
- Include the actual analysis script and dependency manifest in the audited package so its imports and runtime behavior can be verified.
- Pin
