Vulnerability-Lookup

GHSA-HQ5M-MQMX-FW6M

Vulnerability from github – Published: 2021-08-23 19:41 – Updated: 2024-04-22 18:40

Summary

Privilege escalation via form generator

Details

Impact

It is possible for untrusted users to gain administrator rights with the form generator.

Installations are only affected if there are untrusted back end users with access to the form generator.

Patches

Update to Contao 4.4.56, 4.9.18 or 4.11.7.

Workarounds

Disable the form generator or disable the login for untrusted back end users.

References

https://contao.org/en/security-advisories/privilege-escalation-with-the-form-generator

For more information

If you have any questions or comments about this advisory, open an issue in contao/contao.

Severity

8.0 (High)


                  
                    CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "contao/core-bundle"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0.0"
            },
            {
              "fixed": "4.4.56"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "contao/core-bundle"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.5.0"
            },
            {
              "fixed": "4.9.18"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "contao/core-bundle"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.10.0"
            },
            {
              "fixed": "4.11.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "contao/contao"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0.0"
            },
            {
              "fixed": "4.4.56"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "contao/contao"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.5.0"
            },
            {
              "fixed": "4.9.18"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "contao/contao"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.10.0"
            },
            {
              "fixed": "4.11.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-37627"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-269"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-08-23T16:52:36Z",
    "nvd_published_at": "2021-08-11T23:15:00Z",
    "severity": "HIGH"
  },
  "details": "### Impact\n\nIt is possible for untrusted users to gain administrator rights with the form generator.\n\nInstallations are only affected if there are untrusted back end users with access to the form generator.\n\n### Patches\n\nUpdate to Contao 4.4.56, 4.9.18 or 4.11.7.\n\n### Workarounds\n\nDisable the form generator or disable the login for untrusted back end users.\n\n### References\n\nhttps://contao.org/en/security-advisories/privilege-escalation-with-the-form-generator\n\n### For more information\n\nIf you have any questions or comments about this advisory, open an issue in [contao/contao](https://github.com/contao/contao/issues/new/choose).",
  "id": "GHSA-hq5m-mqmx-fw6m",
  "modified": "2024-04-22T18:40:15Z",
  "published": "2021-08-23T19:41:22Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/contao/contao/security/advisories/GHSA-hq5m-mqmx-fw6m"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-37627"
    },
    {
      "type": "WEB",
      "url": "https://contao.org/en/security-advisories/privilege-escalation-with-the-form-generator.html"
    },
    {
      "type": "WEB",
      "url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/contao/CVE-2021-37627.yaml"
    },
    {
      "type": "WEB",
      "url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/core-bundle/CVE-2021-37627.yaml"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/contao/contao"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Privilege escalation via form generator"
}

CVE-2021-37627 (GCVE-0-2021-37627)

Vulnerability from cvelistv5 – Published: 2021-08-11 22:50 – Updated: 2024-08-04 01:23

Title

Privilege escalation via form generator

Summary

Contao is an open source CMS that allows creation of websites and scalable web applications. In affected versions it is possible to gain privileged rights in the Contao back end. Installations are only affected if they have untrusted back end users who have access to the form generator. All users are advised to update to Contao 4.4.56, 4.9.18 or 4.11.7. As a workaround users may disable the form generator or disable the login for untrusted back end users.

Severity

8 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

CWE

CWE-269 - Improper Privilege Management

Assigner

GitHub_M mitre root Scorecard

References

2 references

URL	Tags
https://github.com/contao/contao/security/advisor…	x_refsource_CONFIRM
https://contao.org/en/security-advisories/privile…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
contao	contao	Affected: < 4.4.56 Affected: >= 4.5.0, < 4.9.18 Affected: >= 4.10.0, < 4.11.7

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T01:23:01.173Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/contao/contao/security/advisories/GHSA-hq5m-mqmx-fw6m"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://contao.org/en/security-advisories/privilege-escalation-with-the-form-generator.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "contao",
          "vendor": "contao",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 4.4.56"
            },
            {
              "status": "affected",
              "version": "\u003e= 4.5.0, \u003c 4.9.18"
            },
            {
              "status": "affected",
              "version": "\u003e= 4.10.0, \u003c 4.11.7"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Contao is an open source CMS that allows creation of websites and scalable web applications. In affected versions it is possible to gain privileged rights in the Contao back end. Installations are only affected if they have untrusted back end users who have access to the form generator. All users are advised to update to Contao 4.4.56, 4.9.18 or 4.11.7. As a workaround users may disable the form generator or disable the login for untrusted back end users."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-269",
              "description": "CWE-269: Improper Privilege Management",
              "lang": "en",
              "type": "CWE"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2021-08-11T22:50:09.000Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
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          "url": "https://github.com/contao/contao/security/advisories/GHSA-hq5m-mqmx-fw6m"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://contao.org/en/security-advisories/privilege-escalation-with-the-form-generator.html"
        }
      ],
      "source": {
        "advisory": "GHSA-hq5m-mqmx-fw6m",
        "discovery": "UNKNOWN"
      },
      "title": "Privilege escalation via form generator",
      "x_legacyV4Record": {
        "CVE_data_meta": {
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          "ID": "CVE-2021-37627",
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          "TITLE": "Privilege escalation via form generator"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "contao",
                      "version": {
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                            "version_value": "\u003c 4.4.56"
                          },
                          {
                            "version_value": "\u003e= 4.5.0, \u003c 4.9.18"
                          },
                          {
                            "version_value": "\u003e= 4.10.0, \u003c 4.11.7"
                          }
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                      }
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        "description": {
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        "impact": {
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            "baseScore": 8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
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        "references": {
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            {
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    "datePublished": "2021-08-11T22:50:10.000Z",
    "dateReserved": "2021-07-29T00:00:00.000Z",
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}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

GHSA-HQ5M-MQMX-FW6M

Impact

Patches

Workarounds

References

For more information

CVE-2021-37627 (GCVE-0-2021-37627)

Tags

Sightings

Nomenclature

Related by attack behaviour