Express - Local File Read
ID: express-lfr
Severity: info
Author: me_dheeraj (https://twitter.com/Dheerajmadhukar)
Tags: file,nodejs,express,lfr
Description
Section titled “Description”Untrusted user input in express render() function can result in arbitrary file read if hbs templating is used.
YAML Source
Section titled “YAML Source”id: express-lfr
info: name: Express - Local File Read author: me_dheeraj (https://twitter.com/Dheerajmadhukar) severity: info description: Untrusted user input in express render() function can result in arbitrary file read if hbs templating is used. tags: file,nodejs,express,lfrfile: - extensions: - all matchers: - type: regex regex: - "(\\$[\\w\\W]+?)\\.render\\(\\$[\\w\\W]+?, <[\\w\\W]+? \\\\$[\\w\\W]+? [\\w\\W]+? >\\)" - "(\\$[\\w\\W]+?)\\.render\\(\\$[\\w\\W]+?, <[\\w\\W]+? \\\\$[\\w\\W]+?\\.\\$[\\w\\W]+? [\\w\\W]+? >\\)" - "(\\$[\\w\\W]+?)\\.render\\(\\$[\\w\\W]+?, <[\\w\\W]+? \\\\$[\\w\\W]+? [\\w\\W]+? >\\)" condition: or# digest: 490a004630440220621aa2ce4e4f6ba77ec2649e58fe97bb8a7201aa5770dae6376f781471e08ff8022058f128ef05d2113c5534015821b6c8620bf8c88efabd4508b19c5760429a7c69:922c64590222798bb761d5b6d8e72950Guide to check the vulnerabilities
Section titled “Guide to check the vulnerabilities”This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.
$ nuclei -u "URL" -t "file/nodejs/express-lfr.yaml"