T08 · Insecure Dependencies
Warning
- Location
- requirements.txt:1
- Finding
- Unpinned and Unnecessary Third-Party Dependencies<![CDATA[ ## Vulnerability Details **File Location**: `requirements.txt:1-4`; installation instruction at `SKILL.md:42-46` **Vulnerability Type**: Supply-chain exposure through mutable, unpinned dependencies **Risk Level**: Medium ### Evidence `requirements.txt:1-4`: ```text beautifulsoup4 bs4 requests feedparser ``` `SKILL.md:42-46`: ```bash conda activate global_venv pip install -r "{baseDir}/requirements.txt" ``` ### Technical Analysis All dependencies are specified without exact versions or integrity hashes. Running the documented installation command therefore retrieves whichever releases the package index resolves at installation time. The effective installed code can change after the Skill has been reviewed. Only `feedparser` is used by `daily_news.py`. Although `requests`, `beautifulsoup4`, and the `bs4` wrapper are declared, the script does not use them. These unnecessary dependencies expand the supply-chain attack surface beyond what is required for the declared news-fetching functionality. There is no evidence that the currently named packages are malicious. The vulnerability is the unsafe dependency-management process: a compromised package release, package-index account, resolution source, or transitive dependency could introduce arbitrary installation or runtime behavior. ### Attack Path 1. An attacker compromises a declared package, one of its transitive dependencies, or its package-index publishing channel. 2. The attacker publishes a malicious release that remains compatible with the unconstrained requirement. 3. A user follows the setup instruction and executes `pip install -r requirements.txt`. 4. The package manager resolves and installs the attacker-controlled release. 5. Malicious package installation or import-time code executes with the same operating-system privileges and environment access as the user running setup or the Skill. ### Impact Assessment Successful exploitation could execute arbitrary code under the installing ...[truncated 309 chars]
- Remediation
- <![CDATA[ ## Remediation Suggestions 1. Remove dependencies unused by `daily_news.py`, including `beautifulsoup4`, `bs4`, and `requests`. 2. Pin `feedparser` to a specifically reviewed version rather than allowing unrestricted resolution. 3. Generate a lockfile or hashed requirements file and require package hashes during installation, for example with `pip install --require-hashes`. 4. Review and pin transitive dependencies where applicable. 5. Install from a trusted, explicitly configured package index and prevent fallback to untrusted indexes. 6. Run dependency installation and the Skill in an isolated, non-privileged environment with no unnecessary secrets. 7. Add automated dependency vulnerability and provenance checks to the release process. ]]>