GSD-2021-23365

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
The package github.com/tyktechnologies/tyk-identity-broker before 1.1.1 are vulnerable to Authentication Bypass via the Go XML parser which can cause SAML authentication bypass. This is because the XML parser doesn’t guarantee integrity in the XML round-trip (encoding/decoding XML data).
Aliases
Aliases
CVE-2021-23365
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{
  "GSD": {
    "alias": "CVE-2021-23365",
    "description": "The package github.com/tyktechnologies/tyk-identity-broker before 1.1.1 are vulnerable to Authentication Bypass via the Go XML parser which can cause SAML authentication bypass. This is because the XML parser doesn\u2019t guarantee integrity in the XML round-trip (encoding/decoding XML data).",
    "id": "GSD-2021-23365"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-23365"
      ],
      "details": "The package github.com/tyktechnologies/tyk-identity-broker before 1.1.1 are vulnerable to Authentication Bypass via the Go XML parser which can cause SAML authentication bypass. This is because the XML parser doesn\u2019t guarantee integrity in the XML round-trip (encoding/decoding XML data).",
      "id": "GSD-2021-23365",
      "modified": "2023-12-13T01:23:30.257862Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "report@snyk.io",
        "DATE_PUBLIC": "2021-04-26T10:00:35.669586Z",
        "ID": "CVE-2021-23365",
        "STATE": "PUBLIC",
        "TITLE": "Authentication Bypass"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "github.com/TykTechnologies/tyk-identity-broker",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "1.1.1"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "Sredny M."
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
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          {
            "lang": "eng",
            "value": "The package github.com/tyktechnologies/tyk-identity-broker before 1.1.1 are vulnerable to Authentication Bypass via the Go XML parser which can cause SAML authentication bypass. This is because the XML parser doesn\u2019t guarantee integrity in the XML round-trip (encoding/decoding XML data)."
          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Authentication Bypass"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMTYKTECHNOLOGIESTYKIDENTITYBROKER-1089720",
            "refsource": "MISC",
            "url": "https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMTYKTECHNOLOGIESTYKIDENTITYBROKER-1089720"
          },
          {
            "name": "https://github.com/TykTechnologies/tyk-identity-broker/releases/tag/v1.1.1",
            "refsource": "MISC",
            "url": "https://github.com/TykTechnologies/tyk-identity-broker/releases/tag/v1.1.1"
          },
          {
            "name": "https://github.com/TykTechnologies/tyk-identity-broker/commit/243092965b0f93a95a14cb882b5b9a3df61dd5c0",
            "refsource": "MISC",
            "url": "https://github.com/TykTechnologies/tyk-identity-broker/commit/243092965b0f93a95a14cb882b5b9a3df61dd5c0"
          },
          {
            "name": "https://github.com/TykTechnologies/tyk-identity-broker/commit/46f70420e0911e4e8b638575e29d394c227c75d0",
            "refsource": "MISC",
            "url": "https://github.com/TykTechnologies/tyk-identity-broker/commit/46f70420e0911e4e8b638575e29d394c227c75d0"
          },
          {
            "name": "https://github.com/TykTechnologies/tyk-identity-broker/pull/147",
            "refsource": "MISC",
            "url": "https://github.com/TykTechnologies/tyk-identity-broker/pull/147"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c1.1.1",
          "affected_versions": "All versions before 1.1.1",
          "cvss_v2": "AV:N/AC:L/Au:S/C:P/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-287",
            "CWE-707",
            "CWE-937"
          ],
          "date": "2021-06-23",
          "description": "The package github.com/tyktechnologies/tyk-identity-broker before 1.1.1 are vulnerable to Authentication Bypass via the Go XML parser which can cause SAML authentication bypass. This is because the XML parser doesn\u2019t guarantee integrity in the XML round-trip (encoding/decoding XML data).",
          "fixed_versions": [
            "1.1.1"
          ],
          "identifier": "CVE-2021-23365",
          "identifiers": [
            "GHSA-599h-8wpj-75xj",
            "CVE-2021-23365"
          ],
          "not_impacted": "All versions starting from 1.1.1",
          "package_slug": "go/github.com/tyktechnologies/tyk-identity-broker",
          "pubdate": "2021-06-23",
          "solution": "Upgrade to version 1.1.1 or above.",
          "title": "Improper Authentication",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-23365",
            "https://github.com/TykTechnologies/tyk-identity-broker/pull/147",
            "https://github.com/TykTechnologies/tyk-identity-broker/commit/243092965b0f93a95a14cb882b5b9a3df61dd5c0",
            "https://github.com/TykTechnologies/tyk-identity-broker/commit/46f70420e0911e4e8b638575e29d394c227c75d0",
            "https://github.com/TykTechnologies/tyk-identity-broker/releases/tag/v1.1.1",
            "https://github.com/advisories/GHSA-599h-8wpj-75xj"
          ],
          "uuid": "c4453b9a-c995-4dba-9a76-0e88e72e95e6"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:tyk:tyk-identity-broker:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "1.1.1",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "report@snyk.io",
          "ID": "CVE-2021-23365"
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
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              "lang": "en",
              "value": "The package github.com/tyktechnologies/tyk-identity-broker before 1.1.1 are vulnerable to Authentication Bypass via the Go XML parser which can cause SAML authentication bypass. This is because the XML parser doesn\u2019t guarantee integrity in the XML round-trip (encoding/decoding XML data)."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-287"
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        },
        "references": {
          "reference_data": [
            {
              "name": "N/A",
              "refsource": "CONFIRM",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/TykTechnologies/tyk-identity-broker/commit/243092965b0f93a95a14cb882b5b9a3df61dd5c0"
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              "name": "N/A",
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              "url": "https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMTYKTECHNOLOGIESTYKIDENTITYBROKER-1089720"
            },
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              "refsource": "CONFIRM",
              "tags": [
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              "url": "https://github.com/TykTechnologies/tyk-identity-broker/releases/tag/v1.1.1"
            }
          ]
        }
      },
      "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": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.2
        }
      },
      "lastModifiedDate": "2021-05-19T13:00Z",
      "publishedDate": "2021-04-26T10:15Z"
    }
  }
}


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