GHSA-29GP-2C3M-3J6M

Vulnerability from github – Published: 2022-01-12 22:43 – Updated: 2022-01-20 15:34
VLAI?
Summary
Sandbox Escape by math function in smarty
Details

Impact

Template authors could run arbitrary PHP code by crafting a malicious math string. If a math string is passed through as user provided data to the math function, external users could run arbitrary PHP code by crafting a malicious math string.

Patches

Please upgrade to 4.0.2 or 3.1.42 or higher.

References

See documentation on Math function.

For more information

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

Severity ?
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Show details on source website
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "smarty/smarty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.1.42"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "smarty/smarty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0.0"
            },
            {
              "fixed": "4.0.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-29454"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-74"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-01-10T22:08:56Z",
    "nvd_published_at": "2022-01-10T20:15:00Z",
    "severity": "HIGH"
  },
  "details": "### Impact\nTemplate authors could run arbitrary PHP code by crafting a malicious math string.\nIf a math string is passed through as user provided data to the math function, external users could run arbitrary PHP code by crafting a malicious math string.\n\n### Patches\nPlease upgrade to 4.0.2 or 3.1.42 or higher.\n\n### References\nSee [documentation on Math function](https://www.smarty.net/docs/en/language.function.math.tpl).\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-29gp-2c3m-3j6m",
  "modified": "2022-01-20T15:34:11Z",
  "published": "2022-01-12T22:43:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/smarty-php/smarty/security/advisories/GHSA-29gp-2c3m-3j6m"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-29454"
    },
    {
      "type": "WEB",
      "url": "https://github.com/smarty-php/smarty/commit/215d81a9fa3cd63d82fb3ab56ecaf97cf1e7db71"
    },
    {
      "type": "WEB",
      "url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/smarty/smarty/CVE-2021-29454.yaml"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/smarty-php/smarty"
    },
    {
      "type": "WEB",
      "url": "https://github.com/smarty-php/smarty/releases/tag/v3.1.42"
    },
    {
      "type": "WEB",
      "url": "https://github.com/smarty-php/smarty/releases/tag/v4.0.2"
    },
    {
      "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://packagist.org/packages/smarty/smarty"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/202209-09"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2022/dsa-5151"
    },
    {
      "type": "WEB",
      "url": "https://www.smarty.net/docs/en/language.function.math.tpl"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Sandbox Escape by math function in smarty"
}


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Sightings

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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.



Detection rules are retrieved from Rulezet.