T08 · Insecure Dependencies
- Location
SKILL.md:48- Finding
Unpinned Third-Party Package Installation and Execution
- Content
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Vulnerability Details
File Location:
SKILL.md, lines 48–52
Vulnerability Type: Supply-chain risk from an unpinned dependency
Risk Level: MediumVulnerable Code
markdown ## Installation ```bash pip install dreamcycletext ### Technical Analysis The Skill directs users to install the mutable `dreamcycle` package from the package index configured for `pip`. It does not specify an exact version, verify a cryptographic hash, identify a trusted publisher, or include reviewable package source in the audited artifact. Consequently, the code that is installed and subsequently exposed through the `dreamcycle` executable cannot be verified from this project. A compromised package release, package-index account, configured mirror, or dependency could introduce arbitrary code. Package installation hooks or later execution of the installed command could run that code with the privileges of the invoking user. The artifact does not establish that the current package is malicious. The vulnerability is the absence of dependency pinning and integrity verification before installing and trusting externally supplied executable code. ### Attack Path 1. An attacker compromises the package publisher, package-index account, distribution channel, or a package dependency. 2. The attacker publishes a malicious release under the expected package name. 3. A user follows the documented `pip install dreamcycle` instruction. 4. `pip` resolves and installs the attacker-controlled or compromised release because no version or hash is pinned. 5. Malicious code executes during installation, import, or invocation of the `dreamcycle` command. 6. The code operates with the invoking user's permissions and can access resources available to that account. ### Impact Assessment Successful exploitation could permit arbitrary code execution as the user performing the installation or running the CLI. The potential scope includes ...[truncated 197 chars]- Remediation
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Remediation Suggestions
- Pin the package to a reviewed, exact version rather than installing an unconstrained release.
- Publish and verify cryptographic hashes, such as through a requirements file used with
pip --require-hashes. - Include the relevant source code in the Skill or link it to an immutable, signed release that can be independently audited.
- Clearly identify the expected package registry, project owner, and trusted publisher.
- Use a dedicated virtual environment and a non-privileged account for installation and execution.
- Review the complete dependency tree and use automated dependency and provenance checks.
- Consider disabling network access and limiting filesystem access when executing the scanner.
