ubuntu-cve-2023-23920
Vulnerability from osv_ubuntu
Published
2023-02-23 20:15
Modified
2026-04-22 07:45
Summary
Details

An untrusted search path vulnerability exists in Node.js. <19.6.1, <18.14.1, <16.19.1, and <14.21.3 that could allow an attacker to search and potentially load ICU data when running with elevated privileges.

Severity
4.2 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N
4.2 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libnode64",
            "binary_version": "10.19.0~dfsg-3ubuntu1.5"
          },
          {
            "binary_name": "nodejs",
            "binary_version": "10.19.0~dfsg-3ubuntu1.5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "nodejs",
        "purl": "pkg:deb/ubuntu/nodejs@10.19.0~dfsg-3ubuntu1.5?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "10.19.0~dfsg-3ubuntu1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "10.15.2~dfsg-2ubuntu1",
        "10.17.0~dfsg-2ubuntu4",
        "10.17.0~dfsg-2ubuntu6",
        "10.19.0~dfsg-3ubuntu1",
        "10.19.0~dfsg-3ubuntu1.1",
        "10.19.0~dfsg-3ubuntu1.2",
        "10.19.0~dfsg-3ubuntu1.3"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libnode72",
            "binary_version": "12.22.9~dfsg-1ubuntu3.4"
          },
          {
            "binary_name": "nodejs",
            "binary_version": "12.22.9~dfsg-1ubuntu3.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "nodejs",
        "purl": "pkg:deb/ubuntu/nodejs@12.22.9~dfsg-1ubuntu3.4?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "12.22.9~dfsg-1ubuntu3.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "12.22.5~dfsg-5ubuntu1",
        "12.22.7~dfsg-2ubuntu1",
        "12.22.7~dfsg-2ubuntu3",
        "12.22.9~dfsg-1ubuntu2",
        "12.22.9~dfsg-1ubuntu3",
        "12.22.9~dfsg-1ubuntu3.1",
        "12.22.9~dfsg-1ubuntu3.2",
        "12.22.9~dfsg-1ubuntu3.3"
      ]
    }
  ],
  "aliases": [],
  "details": "An untrusted search path vulnerability exists in Node.js. \u003c19.6.1, \u003c18.14.1, \u003c16.19.1, and \u003c14.21.3 that could allow an attacker to search and potentially load ICU data when running with elevated privileges.",
  "id": "UBUNTU-CVE-2023-23920",
  "modified": "2026-04-22T07:45:15Z",
  "published": "2023-02-23T20:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-23920"
    },
    {
      "type": "REPORT",
      "url": "https://nodejs.org/en/blog/vulnerability/february-2023-security-releases/#node-js-insecure-loading-of-icu-data-through-icu_data-environment-variable-low-cve-2023-23920"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/nodejs/node/commit/f369c0a739b9f0182ededa834a2a44e6fec322d1"
    },
    {
      "type": "REPORT",
      "url": "https://nodejs.org/en/blog/vulnerability/february-2023-security-releases/"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6672-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-23920"
    }
  ],
  "related": [
    "USN-6672-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-23920"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • 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.


Detection rules are retrieved from Rulezet.