T08 · Insecure Dependencies
Warning
- Location
- skill.md:22
- Finding
- Unpinned and Inconsistent Payment SDK Dependencies<![CDATA[ ## Vulnerability Details **File Location**: `skill.md:22-26` **Vulnerability Type**: Unpinned third-party dependency and package mismatch **Risk Level**: Medium ### Vulnerable Code ```bash npm install @tributary-so/sdk ``` ```typescript import { CheckoutSessionManager } from "@tributary-so/payments"; ``` ### Technical Analysis The installation command names `@tributary-so/sdk`, while the example imports `CheckoutSessionManager` from the separate `@tributary-so/payments` package. The document does not explain this discrepancy or provide an installation command for the imported package. Neither dependency is pinned to a reviewed version. Consequently, executing the installation command resolves the package version from the registry at installation time. The effective dependency code can therefore change without any corresponding change to the audited Skill. Because these packages participate in constructing payment sessions and transaction destinations, a compromised or malicious release could alter checkout parameters, redirect users, capture payment metadata, or execute arbitrary package lifecycle code in the developer environment. ### Attack Path 1. An attacker compromises the publisher account, package registry entry, or a transitive dependency associated with the unpinned package. 2. The attacker publishes a malicious version while retaining the expected package name and API. 3. A developer follows the Skill and installs the package without a version or integrity constraint. 4. The package manager resolves the malicious release. 5. Malicious lifecycle or runtime code executes with the permissions of the developer process. 6. The package may steal environment credentials, alter generated payment destinations, or redirect checkout sessions. ### Impact Assessment Successful exploitation could execute code under the developer or build process account. The resulting scope depends on that account's permissions and may include access to source c ...[truncated 196 chars]
- Remediation
- <![CDATA[ ## Remediation Suggestions - Correct the package mismatch and explicitly document every required package. - Pin each dependency to a specific reviewed version, for example with an exact version rather than a range. - Commit and enforce a package-manager lockfile with integrity hashes. - Use reproducible installation commands such as `npm ci` in automated builds. - Disable package lifecycle scripts where they are unnecessary. - Review package provenance, publisher identity, release signatures, and transitive dependencies. - Add automated dependency vulnerability and integrity monitoring. - Re-review the dependency before upgrading versions, particularly because it handles payment configuration. ]]>