T08 · Insecure Dependencies
Warning
- Location
requirements.txt:1- Finding
Unused and Unpinned Third-Party Dependency Expands Supply-Chain Exposure
- Content
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=0.27 xhs ``` ### Technical Analysis The dependency list installs the unpinned `xhs` package even though no project script imports or uses it. The declared functionality also states that Xiaohongshu has no script entry point. Consequently, installing this package exceeds the minimum dependencies required for the Skill. Neither dependency is locked to a reviewed version or protected with artifact hashes. The unconstrained `xhs` entry allows pip to install whichever release currently satisfies the package name, along with its transitive dependencies. The `httpx>=0.27` constraint similarly permits future versions that were not reviewed during this audit. This finding does not establish that the current packages are malicious. It identifies an avoidable supply-chain attack surface: a compromised package release, malicious maintainer update, or compromised transitive dependency could introduce code during installation or runtime. ### Attack Path 1. A user follows the installation instructions and runs: ```bash python3 -m pip install -r requirements.txt ``` 2. Pip resolves the latest available `xhs` release and its transitive dependencies from the configured package index. 3. A malicious or compromised release supplies executable build, installation, or imported package code. 4. Pip installs or executes that code under the privileges of the user running the installation. 5. The malicious package can access resources available to that user, even though `xhs` is not needed by any implemented search script. The path requires compromise or malicious publication of a dependency; no such compromise was demonstrated in the audited files. ### Impact Assessment Successful exploitation could execute code with the privileges of the user or environment performing the pip ins ...[truncated 560 chars]- Remediation
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``` 2. Pin `httpx` and every required transitive dependency to reviewed versions using a lock file. 3. Generate hash-verified requirements and install with: ```bash python3 -m pip install --require-hashes -r requirements.lock ``` 4. Review dependency provenance, maintainers, release history, and known vulnerability reports before updating. 5. Install dependencies in an isolated virtual environment using a non-privileged account. 6. Add automated checks that reject unused, unpinned, or unapproved dependencies. ]]>