T08 · Insecure Dependencies
Note
- Location
- SKILL.md:51
- Finding
- Unpinned Third-Party Dependencies Installed Without Integrity Verification## Vulnerability Details **File Location**: `SKILL.md`, line 51 **Vulnerability Type**: Supply-chain exposure through mutable dependencies **Risk Level**: Low ### Vulnerable Code ```bash pip install pillow imagehash ``` ### Technical Analysis The documented installation command installs the latest available versions of `pillow` and `imagehash` without version constraints or package integrity hashes. Consequently, the code installed by a user can differ from the dependencies that were available when the Skill was audited. The package names correspond to legitimate dependencies, and the audited project contains no evidence that they are currently malicious. Nevertheless, the installation process does not provide reproducibility or protect against a compromised package release, registry account takeover, or an unexpectedly incompatible future version. Python packages and their installation processes can execute code with the privileges of the user performing the installation. ### Attack Path 1. An attacker compromises a dependency maintainer account, distribution infrastructure, or a future dependency release. 2. The attacker publishes a malicious version under one of the package names used by the installation command. 3. A user follows the documented command after the malicious release becomes the latest matching version. 4. `pip` downloads and installs the altered package without checking a project-maintained version or expected artifact hash. 5. Malicious package code executes during installation or when `dedupe.py` imports and uses the dependency. ### Impact Assessment Successful exploitation could execute code with the privileges of the account running `pip` or the deduplication script. Depending on those privileges, this could expose accessible files, alter user data, or compromise the local Python environment. The scope is limited by the installing user's operating-system permissions. No direct compromise or malic ...[truncated 51 chars]
- Remediation
- ## Remediation Suggestions - Define reviewed dependency versions in a dedicated requirements or lock file. - Pin exact versions rather than accepting whichever release is current at installation time. - Record and verify distribution hashes with a command such as: ```bash python -m pip install --require-hashes -r requirements.txt ``` - Generate hashes only from trusted package artifacts and review dependency updates before changing the lock file. - Use a virtual environment with minimal privileges and avoid installing the dependencies as an administrator or root user. - Add automated dependency vulnerability and provenance checks to the release process.