T08 · Insecure Dependencies
Warning
- Location
- README.md:5
- Finding
- Unpinned Package Execution Through npx<![CDATA[ ## Vulnerability Details **File Location**: `README.md`, lines 5–8 **Vulnerability Type**: Unpinned third-party package execution **Risk Level**: Medium ### Vulnerable Code ```bash ## Install ```bash npx clawhub install batch-video-creator ``` ``` ### Technical Analysis The installation instructions invoke the `clawhub` package through `npx` without specifying a fixed version, package integrity hash, or trusted registry. If the package is not already available locally, `npx` can retrieve its current version from the configured package registry and execute it. Because package resolution is mutable, the code executed by this command may differ from the code that was reviewed. A compromised package release, registry account, package source, or dependency could therefore introduce attacker-controlled code. Package lifecycle scripts and the invoked CLI run with the privileges of the user executing the installation command. No evidence indicates that the current package is malicious; the risk arises from the unsafe, unpinned installation procedure. ### Attack Path 1. An attacker compromises the `clawhub` package, one of its transitive dependencies, its publisher account, or the package source selected by the user's registry configuration. 2. The attacker publishes a malicious version or modifies a dependency resolved by the latest package release. 3. A user follows the documented command: `npx clawhub install batch-video-creator`. 4. `npx` downloads the mutable package version and any dependencies that are not already present locally. 5. Malicious lifecycle scripts or CLI code execute under the invoking user's account. 6. The malicious code can access data and perform actions permitted to that user, potentially including modifying project files, reading user-accessible credentials, or executing additional processes. ### Impact Assessment Successful exploitation can result in arbitrary code execution with the privileges of the user running the ...[truncated 297 chars]
- Remediation
- <![CDATA[ ## Remediation Suggestions 1. Pin the CLI to a specifically reviewed version, for example: ```bash npx --yes clawhub@<reviewed-version> install batch-video-creator ``` 2. Commit and verify a lockfile where practical, and use a package manager mode that enforces locked dependency resolution. 3. Document the expected package registry and prevent fallback to untrusted or user-controlled registries. 4. Verify package provenance and integrity through registry signatures, checksums, or an internal artifact repository. 5. Review the pinned package and its complete dependency tree, including lifecycle scripts, before recommending execution. 6. In higher-assurance environments, require users to install a preapproved CLI binary or package from an organization-controlled registry rather than downloading and executing mutable content through `npx`. 7. Run installation with a nonprivileged account and within a sandbox or isolated build environment to limit the impact of a compromised dependency. ]]>