GSD-2020-15110

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
In jupyterhub-kubespawner before 0.12, certain usernames will be able to craft particular server names which will grant them access to the default server of other users who have matching usernames. This has been fixed in 0.12.
Aliases
Aliases
CVE-2020-15110
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{
  "GSD": {
    "alias": "CVE-2020-15110",
    "description": "In jupyterhub-kubespawner before 0.12, certain usernames will be able to craft particular server names which will grant them access to the default server of other users who have matching usernames. This has been fixed in 0.12.",
    "id": "GSD-2020-15110"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-15110"
      ],
      "details": "In jupyterhub-kubespawner before 0.12, certain usernames will be able to craft particular server names which will grant them access to the default server of other users who have matching usernames. This has been fixed in 0.12.",
      "id": "GSD-2020-15110",
      "modified": "2023-12-13T01:21:43.530413Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2020-15110",
        "STATE": "PUBLIC",
        "TITLE": "Possible pod name collisions in jupyterhub-kubespawner"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "kubespawner",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "\u003c 0.12"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "jupyterhub"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "In jupyterhub-kubespawner before 0.12, certain usernames will be able to craft particular server names which will grant them access to the default server of other users who have matching usernames. This has been fixed in 0.12."
          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-863: Incorrect Authorization"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/jupyterhub/kubespawner/security/advisories/GHSA-v7m9-9497-p9gr",
            "refsource": "CONFIRM",
            "url": "https://github.com/jupyterhub/kubespawner/security/advisories/GHSA-v7m9-9497-p9gr"
          },
          {
            "name": "https://github.com/jupyterhub/kubespawner/commit/3dfe870a7f5e98e2e398b01996ca6b8eff4bb1d0",
            "refsource": "CONFIRM",
            "url": "https://github.com/jupyterhub/kubespawner/commit/3dfe870a7f5e98e2e398b01996ca6b8eff4bb1d0"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-v7m9-9497-p9gr",
        "discovery": "UNKNOWN"
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c0.12",
          "affected_versions": "All versions before 0.12",
          "cvss_v2": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-863",
            "CWE-937"
          ],
          "date": "2021-11-18",
          "description": "In jupyterhub-kubespawner, certain usernames will be able to craft particular server names which will grant them access to the default server of other users who have matching usernames.",
          "fixed_versions": [
            "0.12.0"
          ],
          "identifier": "CVE-2020-15110",
          "identifiers": [
            "CVE-2020-15110",
            "GHSA-v7m9-9497-p9gr"
          ],
          "not_impacted": "All versions starting from 0.12",
          "package_slug": "pypi/jupyterhub-kubespawner",
          "pubdate": "2020-07-17",
          "solution": "Upgrade to version 0.12.0 or above.",
          "title": "Incorrect Authorization",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-15110"
          ],
          "uuid": "f3b6ddcf-007c-4447-ad54-103571d22f42"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:jupyterhub:kubespawner:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "0.12",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security-advisories@github.com",
          "ID": "CVE-2020-15110"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "In jupyterhub-kubespawner before 0.12, certain usernames will be able to craft particular server names which will grant them access to the default server of other users who have matching usernames. This has been fixed in 0.12."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-863"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/jupyterhub/kubespawner/security/advisories/GHSA-v7m9-9497-p9gr",
              "refsource": "CONFIRM",
              "tags": [
                "Exploit",
                "Third Party Advisory"
              ],
              "url": "https://github.com/jupyterhub/kubespawner/security/advisories/GHSA-v7m9-9497-p9gr"
            },
            {
              "name": "https://github.com/jupyterhub/kubespawner/commit/3dfe870a7f5e98e2e398b01996ca6b8eff4bb1d0",
              "refsource": "CONFIRM",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/jupyterhub/kubespawner/commit/3dfe870a7f5e98e2e398b01996ca6b8eff4bb1d0"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 4.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.2
        }
      },
      "lastModifiedDate": "2021-11-18T18:23Z",
      "publishedDate": "2020-07-17T21:15Z"
    }
  }
}


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  • 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.
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