local-config-parser
Advanced tools
The fragment implements a rules engine that executes configuration-provided “expression” strings as JavaScript using Node’s vm. Because the expressions are sourced from JSON files in a user-derived, typically writable directory (APPDATA/home) and because it auto-executes cached rules during module import, an attacker who can modify the relevant config/cache file could trigger untrusted code execution (or at minimum unintended logic/DoS) within the application’s trust boundary. There is no direct evidence of overt malware behaviors like exfiltration or persistence in this snippet, but the dynamic execution pattern is security-sensitive and should be hardened (e.g., remove auto-exec, validate/sign configs, and restrict to a real expression DSL or a strictly locked-down sandbox). The remote content is malicious and gets downloaded by another package that is installed in the same dependency chain. The malicious content implements sandbox-escape logic and perform downloader logic that runs next stage malware samples.
JSON configuration file parser with built-in rule evaluation engine for dynamic application behavior
FAQs
security holding package
The npm package local-config-parser receives a total of 84 weekly downloads. As such, local-config-parser popularity was classified as not popular.
We found that local-config-parser demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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