T08 · Insecure Dependencies
- Location
SKILL.md:12- Finding
Unpinned Third-Party CLI Installation
- Content
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Vulnerability Details
File Location:
SKILL.md, lines 12-14
Vulnerability Type: Unpinned third-party executable dependency
Risk Level: MediumVulnerable Code
bash cargo install seggwat-cliTechnical Analysis
The installation command retrieves, compiles, and installs the currently selected release of
seggwat-cliwithout pinning a reviewed version or requiring a locked dependency graph. Consequently, the software and transitive dependencies installed in the future may differ from those present when this Skill was audited.If the package publisher account, package registry, release process, or a transitive dependency is compromised, following this instruction could build or execute attacker-controlled code. Cargo packages can run build scripts during compilation, so exploitation does not necessarily require the user to invoke the installed CLI after installation.
Attack Path
- An attacker compromises the
seggwat-clipublication process, registry account, or one of its newly resolved dependencies. - The attacker publishes a malicious release or introduces malicious build-time behavior.
- A user or CI runner follows the documented
cargo install seggwat-cliinstruction. - Cargo retrieves the unreviewed version and compiles it, potentially executing a malicious build script.
- The resulting code operates with the privileges and environment access of the user or CI runner.
Impact Assessment
Successful exploitation could execute arbitrary code with the installing user's privileges. On a developer workstation, this may expose source code, local credentials, and accessible configuration files. In CI, it may expose repository tokens, deployment credentials, environment secrets, and build artifacts. The exact scope is constrained by the privileges and isolation of the installation environment.
- An attacker compromises the
- Remediation
View remediation
Remediation Suggestions
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Pin an explicitly reviewed release instead of installing the latest available version:
bash cargo install seggwat-cli --version 0.17.2 --locked -
Use
--lockedso Cargo honors the package's committed lockfile rather than resolving potentially different transitive dependency versions. -
Document the authoritative package registry and source repository.
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Where prebuilt artifacts are offered, publish and verify cryptographic checksums or signatures before execution.
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Perform installations in a restricted environment without production secrets or unnecessary filesystem access.
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Establish a controlled update process in which new versions are reviewed before changing the documented pin.
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