github - ghsa-c7jj-vfmr-j9mj

GHSA-C7JJ-VFMR-J9MJ

Vulnerability from github – Published: 2022-05-24 19:06 – Updated: 2024-04-24 17:29

Summary

Moodle command execution vulnerability exists in the default legacy spellchecker plugin

Details

A command execution vulnerability exists in the default legacy spellchecker plugin in a few Moodle multiple specific versions. A specially crafted series of HTTP requests can lead to command execution. An attacker must have administrator privileges to exploit this vulnerabilities.

Severity ?

9.1 (Critical)


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

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "moodle/moodle"
      },
      "versions": [
        "3.10.0"
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "moodle/moodle"
      },
      "versions": [
        "3.11.2"
      ]
    },
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "moodle/moodle"
      },
      "versions": [
        "3.8.0"
      ]
    }
  ],
  "aliases": [
    "CVE-2021-21809"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-732"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-04-24T17:29:50Z",
    "nvd_published_at": "2021-06-23T22:15:00Z",
    "severity": "CRITICAL"
  },
  "details": "A command execution vulnerability exists in the default legacy spellchecker plugin in a few Moodle multiple specific versions. A specially crafted series of HTTP requests can lead to command execution. An attacker must have administrator privileges to exploit this vulnerabilities.",
  "id": "GHSA-c7jj-vfmr-j9mj",
  "modified": "2024-04-24T17:29:50Z",
  "published": "2022-05-24T19:06:04Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21809"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/moodle/moodle"
    },
    {
      "type": "WEB",
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1277"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/164481/Moodle-SpellChecker-Path-Authenticated-Remote-Command-Execution.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Moodle command execution vulnerability exists in the default legacy spellchecker plugin"
}

CVE-2021-21809 (GCVE-0-2021-21809)

Vulnerability from cvelistv5 – Published: 2021-06-23 21:25 – Updated: 2024-08-03 18:23

Summary

A command execution vulnerability exists in the default legacy spellchecker plugin in Moodle 3.10. A specially crafted series of HTTP requests can lead to command execution. An attacker must have administrator privileges to exploit this vulnerabilities.

Severity ?

8.2 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:L

CWE

OS command injection

Assigner

talos

References

URL

Tags

	https://talosintelligence.com/vulnerability_repor…	x_refsource_MISC
	http://packetstormsecurity.com/files/164481/Moodl…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	Moodle	Affected: Moodle 3.10

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:23:29.453Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1277"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/164481/Moodle-SpellChecker-Path-Authenticated-Remote-Command-Execution.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Moodle",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Moodle 3.10"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A command execution vulnerability exists in the default legacy spellchecker plugin in Moodle 3.10. A specially crafted series of HTTP requests can lead to command execution. An attacker must have administrator privileges to exploit this vulnerabilities."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:L",
            "version": "3.0"
          }
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "OS command injection",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-04-19T19:30:21",
        "orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
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      },
      "references": [
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          ],
          "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1277"
        },
        {
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          ],
          "url": "http://packetstormsecurity.com/files/164481/Moodle-SpellChecker-Path-Authenticated-Remote-Command-Execution.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "talos-cna@cisco.com",
          "ID": "CVE-2021-21809",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Moodle",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Moodle 3.10"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
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        "impact": {
          "cvss": {
            "baseScore": 8.2,
            "baseSeverity": "High",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:L",
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                  "value": "OS command injection"
                }
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        },
        "references": {
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              "refsource": "MISC",
              "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1277"
            },
            {
              "name": "http://packetstormsecurity.com/files/164481/Moodle-SpellChecker-Path-Authenticated-Remote-Command-Execution.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/164481/Moodle-SpellChecker-Path-Authenticated-Remote-Command-Execution.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
    "assignerShortName": "talos",
    "cveId": "CVE-2021-21809",
    "datePublished": "2021-06-23T21:25:46",
    "dateReserved": "2021-01-04T00:00:00",
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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.

Action not permitted

GHSA-C7JJ-VFMR-J9MJ

CVE-2021-21809 (GCVE-0-2021-21809)

Tags

Sightings

Nomenclature