T08 · Insecure Dependencies
Warning
- Location
- scripts/flows.py:14
- Finding
- Unpinned Third-Party Dependencies## Vulnerability Details **File Location**: `scripts/flows.py:14-15` **Vulnerability Type**: Unpinned and integrity-unverified Python dependencies **Risk Level**: Medium ### Vulnerable Code ```python Install: pip install google-cloud-dialogflow-cx google-auth ``` ### Technical Analysis The installation instruction retrieves the latest versions of `google-cloud-dialogflow-cx` and `google-auth` without exact version constraints, a dependency lockfile, package hashes, or an explicitly trusted package index. Consequently, dependency resolution is mutable and cannot reliably reproduce the set of packages reviewed during the audit. The package names are consistent with the skill's stated functionality and there is no evidence that they are currently malicious. Nevertheless, an attacker who compromises an upstream release, a transitive dependency, or the package index configured in the user's pip environment could cause malicious package code or installation hooks to execute. ### Attack Path 1. A user follows the installation command included in `scripts/flows.py`. 2. pip resolves the named packages and their transitive dependencies from the user's configured package index. 3. An attacker compromises a resolved release or controls the configured index and serves a malicious package version. 4. pip downloads and installs the unverified package. 5. Malicious build or installation logic executes during installation, or malicious runtime code executes when `flows.py` imports the package. This exploitation path requires compromise or attacker control of a dependency distribution channel or the user's pip configuration. ### Impact Assessment Successful exploitation could execute arbitrary code with the privileges of the user running pip or the script. Depending on that user's environment, this could expose local files, Google application-default credentials, service-account credentials referenced by `GOOGLE_APPLICATION_CREDENTIALS`, and accessible Dialogflow ...[truncated 299 chars]
- Remediation
- ## Remediation Suggestions 1. Pin all direct dependencies to reviewed, exact versions, for example in a dedicated requirements file: ```text google-cloud-dialogflow-cx==REVIEWED_VERSION google-auth==REVIEWED_VERSION ``` 2. Generate and commit a lockfile that captures transitive dependency versions. 3. Use hash verification, such as a hash-locked requirements file installed with: ```bash python -m pip install --require-hashes -r requirements.txt ``` 4. Install packages only from an explicitly trusted index and prevent unintended fallback to untrusted indexes: ```bash python -m pip install --index-url https://pypi.org/simple --require-hashes -r requirements.txt ``` 5. Regularly scan pinned dependencies for known vulnerabilities and update them through a reviewed dependency-management process. 6. Perform installation in an isolated virtual environment and avoid running pip with administrator or root privileges.