GHSA-4H9C-V5VG-5M6M

Vulnerability from github – Published: 2022-01-12 22:43 – Updated: 2022-01-20 15:33
VLAI?
Summary
Access to restricted PHP code by dynamic static class access in smarty
Details

Impact

Template authors could run restricted static php methods.

Patches

Please upgrade to 3.1.40 or higher.

References

See the documentation on Smarty security features on the static_classes access filter.

For more information

If you have any questions or comments about this advisory please open an issue in the Smarty repo

Severity ?
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "smarty/smarty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.1.43"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "smarty/smarty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0.0"
            },
            {
              "fixed": "4.0.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-21408"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-01-10T22:09:37Z",
    "nvd_published_at": "2022-01-10T20:15:00Z",
    "severity": "HIGH"
  },
  "details": "### Impact\nTemplate authors could run restricted static php methods.\n\n### Patches\nPlease upgrade to 3.1.40 or higher.\n\n### References\nSee the [documentation on Smarty security features](https://www.smarty.net/docs/en/advanced.features.tpl#advanced.features.security) on the static_classes access filter.\n\n### For more information\nIf you have any questions or comments about this advisory please open an issue in [the Smarty repo](https://github.com/smarty-php/smarty)\n",
  "id": "GHSA-4h9c-v5vg-5m6m",
  "modified": "2022-01-20T15:33:55Z",
  "published": "2022-01-12T22:43:42Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/smarty-php/smarty/security/advisories/GHSA-4h9c-v5vg-5m6m"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21408"
    },
    {
      "type": "WEB",
      "url": "https://github.com/smarty-php/smarty/commit/19ae410bf56007a5ef24441cdc6414619cfaf664"
    },
    {
      "type": "WEB",
      "url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/smarty/smarty/CVE-2021-21408.yaml"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/smarty-php/smarty"
    },
    {
      "type": "WEB",
      "url": "https://github.com/smarty-php/smarty/releases/tag/v3.1.43"
    },
    {
      "type": "WEB",
      "url": "https://github.com/smarty-php/smarty/releases/tag/v4.0.3"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2022/05/msg00005.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BRAJVDRGCIY5UZ2PQHKDTT7RMKG6WJQQ"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L777JIBIWJV34HS7LXPIDWASG7TT4LNI"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202209-09"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2022/dsa-5151"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Access to restricted PHP code by dynamic static class access in smarty"
}


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  • 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.