GHSA-G3VF-47FV-8F3C

Vulnerability from github – Published: 2023-08-11 15:30 – Updated: 2023-08-16 21:39
VLAI?
Summary
MrSwitch hello.js vulnerable to prototype pollution
Details

A prototype pollution vulnerability in MrSwitch hello.js prior to version 1.18.8 allows remote attackers to execute arbitrary code via hello.utils.extend function.

Severity ?
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "hellojs"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.18.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-26505"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1321"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-08-11T22:08:41Z",
    "nvd_published_at": "2023-08-11T14:15:12Z",
    "severity": "CRITICAL"
  },
  "details": "A prototype pollution vulnerability in MrSwitch hello.js prior to version 1.18.8 allows remote attackers to execute arbitrary code via `hello.utils.extend` function.",
  "id": "GHSA-g3vf-47fv-8f3c",
  "modified": "2023-08-16T21:39:51Z",
  "published": "2023-08-11T15:30:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26505"
    },
    {
      "type": "WEB",
      "url": "https://github.com/MrSwitch/hello.js/issues/634"
    },
    {
      "type": "WEB",
      "url": "https://github.com/MrSwitch/hello.js/commit/7ab50aeff2d41991f08d4ad6c0481125eea8f6b7"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/MrSwitch/hello.js"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "MrSwitch hello.js vulnerable to prototype pollution"
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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