GHSA-6J75-5WFJ-GH66

Vulnerability from github – Published: 2024-09-09 20:19 – Updated: 2024-10-10 14:50
VLAI?
Summary
Twig has a possible sandbox bypass
Details

Description

Under some circumstances, the sandbox security checks are not run which allows user-contributed templates to bypass the sandbox restrictions.

The security issue happens when all these conditions are met:

  • The sandbox is disabled globally;
  • The sandbox is enabled via a sandboxed include() function which references a template name (like included.twig) and not a Template or TemplateWrapper instance;
  • The included template has been loaded before the include() call but in a non-sandbox context (possible as the sandbox has been globally disabled).

Resolution

The patch ensures that the sandbox security checks are always run at runtime.

Credits

We would like to thank Fabien Potencier for reporting and fixing the issue.

Severity ?
8.5 (High)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
5.8 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
Show details on source website
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "twig/twig"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.0.0"
            },
            {
              "fixed": "1.44.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "twig/twig"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.0.0"
            },
            {
              "fixed": "2.16.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "twig/twig"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.12.0"
            },
            {
              "fixed": "3.14.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "twig/twig"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.0.0"
            },
            {
              "fixed": "3.11.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-45411"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-693"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-09-09T20:19:26Z",
    "nvd_published_at": "2024-09-09T19:15:13Z",
    "severity": "MODERATE"
  },
  "details": "### Description\n\nUnder some circumstances, the sandbox security checks are not run which allows user-contributed templates to bypass the sandbox restrictions.\n\nThe security issue happens when all these conditions are met:\n\n * The sandbox is disabled globally;\n * The sandbox is enabled via a sandboxed `include()` function which references a template name (like `included.twig`) and not a `Template` or `TemplateWrapper` instance;\n * The included template has been loaded before the `include()` call but in a non-sandbox context (possible as the sandbox has been globally disabled).\n\n### Resolution\n\nThe patch ensures that the sandbox security checks are always run at runtime.\n\n### Credits\n\nWe would like to thank Fabien Potencier for reporting and fixing the issue.\n",
  "id": "GHSA-6j75-5wfj-gh66",
  "modified": "2024-10-10T14:50:22Z",
  "published": "2024-09-09T20:19:26Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/twigphp/Twig/security/advisories/GHSA-6j75-5wfj-gh66"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-45411"
    },
    {
      "type": "WEB",
      "url": "https://github.com/twigphp/Twig/commit/11f68e2aeb526bfaf638e30d4420d8a710f3f7c6"
    },
    {
      "type": "WEB",
      "url": "https://github.com/twigphp/Twig/commit/2102dd135986db79192d26fb5f5817a566e0a7de"
    },
    {
      "type": "WEB",
      "url": "https://github.com/twigphp/Twig/commit/41103dcdc2daab4c83cdd05b5b4fde5b7e41e635"
    },
    {
      "type": "WEB",
      "url": "https://github.com/twigphp/Twig/commit/7afa198603de49d147e90d18062e7b9addcf5233"
    },
    {
      "type": "WEB",
      "url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/twig/twig/CVE-2024-45411.yaml"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/twigphp/Twig"
    },
    {
      "type": "WEB",
      "url": "https://symfony.com/blog/twig-security-release-possible-sandbox-bypass"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Twig has a possible sandbox bypass"
}


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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.



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