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CVE-2020-28430:
Command Injection in nuance-gulp-build-common

9.8

CVSS Score

Basic Information

EPSS Score
-
Published
4/13/2021
Updated
9/11/2023
KEV Status
No
Technology
TechnologyJavaScript

Technical Details

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Package NameEcosystemVulnerable VersionsFirst Patched Version
nuance-gulp-build-commonnpm<= 0.0.1

Vulnerability Intelligence
Miggo AIMiggo AI

Miggo AIRoot Cause Analysis

  1. The PoC demonstrates direct command execution through a.run('touch JHU')
  2. The vulnerability type (Command Injection) implies unsanitized input passed to command execution functions
  3. The advisory specifically mentions index.js as the vulnerable entry point
  4. The function name 'run' aligns with common patterns for command execution in build tools
  5. Lack of patching information suggests the vulnerable function remains unmodified

Vulnerable functions

Only Mi**o us*rs **n s** t*is s**tion

WAF Protection Rules

WAF Rule

*ll v*rsions o* p**k*** nu*n**-*ulp-*uil*-*ommon *r* vuln*r**l* to *omm*n* Inj**tion vi* t** in**x.js *il*. **Po*:** ```js v*r * = r*quir*("nu*n**-*ulp-*uil*-*ommon") *.run("tou** J*U") ```

Reasoning

*. T** Po* **monstr*t*s *ir**t *omm*n* *x**ution t*rou** *.run('tou** J*U') *. T** vuln*r**ility typ* (*omm*n* Inj**tion) impli*s uns*nitiz** input p*ss** to *omm*n* *x**ution *un*tions *. T** **visory sp**i*i**lly m*ntions in**x.js *s t** vuln*r**l*