Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2024-03-06 10:51

Modified

2025-05-20 10:02

Summary

Concourse's GitLab auth allows impersonation

Details

Concourse, versions prior to 6.3.1 and 6.4.1, in installations which use the GitLab auth connector, is vulnerable to identity spoofing by way of configuring a GitLab account with the same full name as another user who is granted access to a Concourse team. GitLab groups do not have this vulnerability, so GitLab users may be moved into groups which are then configured in the Concourse team.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "concourse",
        "purl": "pkg:bitnami/concourse"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.3.1"
            },
            {
              "introduced": "6.4.0"
            },
            {
              "fixed": "6.4.1"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-5415"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:pivotal_software:concourse:*:*:*:*:*:*:*:*"
    ],
    "severity": "Critical"
  },
  "details": "Concourse, versions prior to 6.3.1 and 6.4.1, in installations which use the GitLab auth connector, is vulnerable to identity spoofing by way of configuring a GitLab account with the same full name as another user who is granted access to a Concourse team. GitLab groups do not have this vulnerability, so GitLab users may be moved into groups which are then configured in the Concourse team.",
  "id": "BIT-concourse-2020-5415",
  "modified": "2025-05-20T10:02:07.006Z",
  "published": "2024-03-06T10:51:03.790Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/concourse/concourse/security/advisories/GHSA-627p-rr78-99rj"
    },
    {
      "type": "WEB",
      "url": "https://tanzu.vmware.com/security/cve-2020-5415"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-5415"
    }
  ],
  "schema_version": "1.5.0",
  "summary": "Concourse\u0027s GitLab auth allows impersonation"
}

CVE-2020-5415 (GCVE-0-2020-5415)

Vulnerability from cvelistv5 – Published: 2020-08-12 16:40 – Updated: 2024-09-16 17:53

Title

Concourse's GitLab auth allows impersonation

Summary

Severity ?

10 (Critical)


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

CWE

CWE-290 - Authentication Bypass by Spoofing

Assigner

pivotal

References

URL

Tags

	https://github.com/concourse/concourse/security/a…	x_refsource_CONFIRM
	https://tanzu.vmware.com/security/cve-2020-5415	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	VMware Tanzu	Concourse	Affected: 6.4 , < 6.4.1 (custom) Affected: 6.3 , < 6.3.1 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T08:30:24.023Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/concourse/concourse/security/advisories/GHSA-627p-rr78-99rj"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://tanzu.vmware.com/security/cve-2020-5415"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Concourse",
          "vendor": "VMware Tanzu",
          "versions": [
            {
              "lessThan": "6.4.1",
              "status": "affected",
              "version": "6.4",
              "versionType": "custom"
            },
            {
              "lessThan": "6.3.1",
              "status": "affected",
              "version": "6.3",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2020-08-12T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "Concourse, versions prior to 6.3.1 and 6.4.1, in installations which use the GitLab auth connector, is vulnerable to identity spoofing by way of configuring a GitLab account with the same full name as another user who is granted access to a Concourse team. GitLab groups do not have this vulnerability, so GitLab users may be moved into groups which are then configured in the Concourse team."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 10,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-290",
              "description": "CWE-290: Authentication Bypass by Spoofing",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-08-12T16:40:14",
        "orgId": "862b2186-222f-48b9-af87-f1fb7bb26d03",
        "shortName": "pivotal"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/concourse/concourse/security/advisories/GHSA-627p-rr78-99rj"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://tanzu.vmware.com/security/cve-2020-5415"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Concourse\u0027s GitLab auth allows impersonation",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@pivotal.io",
          "DATE_PUBLIC": "2020-08-12T02:35:17.000Z",
          "ID": "CVE-2020-5415",
          "STATE": "PUBLIC",
          "TITLE": "Concourse\u0027s GitLab auth allows impersonation"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Concourse",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_name": "6.4",
                            "version_value": "6.4.1"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_name": "6.3",
                            "version_value": "6.3.1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "VMware Tanzu"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Concourse, versions prior to 6.3.1 and 6.4.1, in installations which use the GitLab auth connector, is vulnerable to identity spoofing by way of configuring a GitLab account with the same full name as another user who is granted access to a Concourse team. GitLab groups do not have this vulnerability, so GitLab users may be moved into groups which are then configured in the Concourse team."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 10,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
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                  "value": "CWE-290: Authentication Bypass by Spoofing"
                }
              ]
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/concourse/concourse/security/advisories/GHSA-627p-rr78-99rj",
              "refsource": "CONFIRM",
              "url": "https://github.com/concourse/concourse/security/advisories/GHSA-627p-rr78-99rj"
            },
            {
              "name": "https://tanzu.vmware.com/security/cve-2020-5415",
              "refsource": "CONFIRM",
              "url": "https://tanzu.vmware.com/security/cve-2020-5415"
            }
          ]
        },
        "source": {
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "862b2186-222f-48b9-af87-f1fb7bb26d03",
    "assignerShortName": "pivotal",
    "cveId": "CVE-2020-5415",
    "datePublished": "2020-08-12T16:40:14.465847Z",
    "dateReserved": "2020-01-03T00:00:00",
    "dateUpdated": "2024-09-16T17:53:07.446Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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

Vulnerability from bitnami_vulndb

CVE-2020-5415 (GCVE-0-2020-5415)

Tags

Sightings

Nomenclature