T08 · Insecure Dependencies
- Location
SKILL.md:69- Finding
Unpinned Third-Party Dependency Installation
- Content
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Vulnerability Details
File Location:
SKILL.md, lines 69–73
Vulnerability Type: Unpinned dependency / software supply-chain risk
Risk Level: MediumVulnerable Code Snippet:
markdown ### 1) Install Dependency ```bash pip install requeststext ### Technical Analysis The installation instructions retrieve the latest version of the third-party `requests` package and its transitive dependencies without enforcing exact versions, cryptographic hashes, or a dependency lockfile. Consequently, the code installed by this command can change over time despite the audited project remaining unchanged. Although `requests` is a legitimate package, this installation practice does not guarantee that users receive the same audited dependency set. Exploitation would require compromise of the package distribution channel, a malicious or compromised future dependency release, or manipulation of the package index used in the executing environment. ### Attack Path 1. An attacker compromises a dependency release, its maintainer account, the configured package index, or another part of the dependency-resolution channel. 2. The attacker publishes or serves a malicious package version that satisfies the unconstrained installation request. 3. A user follows the documented `pip install requests` instruction. 4. `pip` resolves and installs the attacker-controlled package or transitive dependency. 5. Malicious installation or runtime code executes with the privileges of the user or automation process running `pip` or importing the dependency. ### Impact Assessment Successful exploitation could allow arbitrary code execution with the privileges of the installation or runtime process. Depending on the environment, this may expose the Media.io `API_KEY`, local files accessible to the process, generated media data, and other environment variables. It could also enable unauthorized network requests or modification of files ...[truncated 329 chars]- Remediation
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Remediation Suggestions
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Declare dependencies in a dedicated requirements or lock file and pin exact, reviewed versions, including transitive dependencies.
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Record cryptographic hashes and require their verification during installation. For example:
bash pip install --require-hashes -r requirements.txt -
Generate the lock file through a controlled dependency-management process, such as
pip-tools, and review dependency updates before merging them. -
Configure installations to use a trusted package index explicitly and prevent fallback to untrusted indexes.
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Run dependency installation and the Skill under a non-privileged account in an isolated virtual environment or container.
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Add automated dependency and vulnerability scanning while retaining manual approval for version updates.
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