Command Injection Affecting aws-lambda package, versions <1.0.5
Snyk CVSS
Attack Complexity
Low
Confidentiality
High
Threat Intelligence
Exploit Maturity
Proof of concept
EPSS
0.22% (61st
percentile)
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Test your applications- Snyk ID SNYK-JS-AWSLAMBDA-540839
- published 7 Jan 2020
- disclosed 7 Jan 2020
- credit JHU System Security Lab
Introduced: 7 Jan 2020
CVE-2019-10777 Open this link in a new tabHow to fix?
Upgrade aws-lambda to version 1.0.5 or higher.
Overview
aws-lambda is a command line tool deploy code to AWS Lambda.
Affected versions of this package are vulnerable to Command Injection. 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 located in the file lib/main.js (line 78).
PoC by JHU System Security Lab
// aws-lambda-config.lambda
{"FunctionName": "& touch Song &",
"PATH": "./"}
var root = require("aws-lambda");
root.deploy("aws-lambda-config");