GHSA-9C9V-W225-V5RG

Vulnerability from github – Published: 2023-08-15 20:35 – Updated: 2023-08-23 17:19
VLAI?
Summary
Ghost vulnerable to arbitrary file read via symlinks in content import
Details

Impact

A vulnerability in Ghost allows authenticated users to upload files which are symlinks. This can be exploited to perform an arbitrary file read of any file on the operating system.

Site administrators can check for exploitation of this issue by looking for unknown symlinks within Ghost's content/ folder

Vulnerable versions

This security vulnerability is present in Ghost ≤ v5.59.0.

Patches

v5.59.1 contains a fix for this issue.

For more information

If you have any questions or comments about this advisory: * Email us at security@ghost.org

Severity ?
4.9 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "ghost"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.59.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-40028"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22",
      "CWE-59"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-08-15T20:35:20Z",
    "nvd_published_at": "2023-08-15T18:15:10Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\n\nA vulnerability in Ghost allows authenticated users to upload files which are symlinks. This can be exploited to perform an arbitrary file read of any file on the operating system.\n\nSite administrators can check for exploitation of this issue by looking for unknown symlinks within Ghost\u0027s `content/` folder\n\n### Vulnerable versions\n\nThis security vulnerability is present in Ghost \u2264 v5.59.0.\n\n### Patches\n\nv5.59.1 contains a fix for this issue.\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n* Email us at [security@ghost.org](mailto:security@ghost.org)\n",
  "id": "GHSA-9c9v-w225-v5rg",
  "modified": "2023-08-23T17:19:50Z",
  "published": "2023-08-15T20:35:20Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/TryGhost/Ghost/security/advisories/GHSA-9c9v-w225-v5rg"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-40028"
    },
    {
      "type": "WEB",
      "url": "https://github.com/TryGhost/Ghost/commit/690fbf3f7302ff3f77159c0795928bdd20f41205"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/TryGhost/Ghost"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Ghost vulnerable to arbitrary file read via symlinks in content import"
}


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Sightings

Author Source Type Date

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.