T08 · Insecure Dependencies
Warning
- Location
requirements.txt:1- Finding
Unbounded Third-Party Dependency Version
- Content
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=0.27 ``` The documented installation workflow is: ```bash python3 -m pip install -r requirements.txt ``` ### Technical Analysis The dependency specification permits pip to install any available `httpx` release at or above version 0.27. No upper bound, exact version, lock file, or package hash is provided. Consequently, the dependency installed in the future may differ from the version considered during this audit. If the package distribution channel, maintainer account, or a future release is compromised, installation or import of the resolved package could execute attacker-controlled code. The current artifact does not itself retrieve and execute arbitrary source code, and no evidence indicates that the current `httpx` package is malicious; the risk arises from the non-reproducible dependency policy. ### Attack Path 1. An attacker compromises the upstream package, maintainer account, or package distribution channel and publishes a malicious version satisfying `httpx>=0.27`. 2. A user follows the documented command to install the project dependencies. 3. Pip resolves the malicious or compromised version because it satisfies the open-ended constraint. 4. Attacker-controlled package installation or runtime code executes in the Python environment. 5. The code gains the permissions of the user or service account performing the installation or running the search scripts. ### Impact Assessment Successful exploitation could execute arbitrary code with the privileges of the installing or runtime account. Depending on that account's permissions, this could expose environment variables, API tokens, accessible files, search queries, and network resources. If installation is performed with administrative ...[truncated 59 chars]- Remediation
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``` 2. Generate and maintain a dependency lock file through a controlled update process. 3. Record cryptographic hashes and install with pip's `--require-hashes` option. 4. Review transitive dependencies, because pinning only the direct dependency does not make the full environment reproducible. 5. Run dependency installation as an unprivileged account in an isolated virtual environment or container. 6. Use automated dependency vulnerability and provenance scanning before accepting upgrades. ]]>