GSD-2021-3116

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
before_upstream_connection in AuthPlugin in http/proxy/auth.py in proxy.py before 2.3.1 accepts incorrect Proxy-Authorization header data because of a boolean confusion (and versus or).
Aliases
Aliases
CVE-2021-3116
To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-3116",
    "description": "before_upstream_connection in AuthPlugin in http/proxy/auth.py in proxy.py before 2.3.1 accepts incorrect Proxy-Authorization header data because of a boolean confusion (and versus or).",
    "id": "GSD-2021-3116"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-3116"
      ],
      "details": "before_upstream_connection in AuthPlugin in http/proxy/auth.py in proxy.py before 2.3.1 accepts incorrect Proxy-Authorization header data because of a boolean confusion (and versus or).",
      "id": "GSD-2021-3116",
      "modified": "2023-12-13T01:23:35.187350Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-3116",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "before_upstream_connection in AuthPlugin in http/proxy/auth.py in proxy.py before 2.3.1 accepts incorrect Proxy-Authorization header data because of a boolean confusion (and versus or)."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://cardaci.xyz/advisories/2021/01/10/proxy.py-2.3.0-broken-basic-authentication/",
            "refsource": "MISC",
            "url": "https://cardaci.xyz/advisories/2021/01/10/proxy.py-2.3.0-broken-basic-authentication/"
          },
          {
            "name": "https://github.com/abhinavsingh/proxy.py/pull/482/commits/9b00093288237f5073c403f2c4f62acfdfa8ed46",
            "refsource": "MISC",
            "url": "https://github.com/abhinavsingh/proxy.py/pull/482/commits/9b00093288237f5073c403f2c4f62acfdfa8ed46"
          },
          {
            "name": "https://pypi.org/project/proxy.py/2.3.1/#history",
            "refsource": "MISC",
            "url": "https://pypi.org/project/proxy.py/2.3.1/#history"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c2.3.1",
          "affected_versions": "All versions before 2.3.1",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-937"
          ],
          "date": "2021-01-14",
          "description": "before_upstream_connection in AuthPlugin in `http/proxy/auth.py` in proxy.py accepts incorrect Proxy-Authorization header data because of a boolean confusion (and versus or).",
          "fixed_versions": [
            "2.3.1"
          ],
          "identifier": "CVE-2021-3116",
          "identifiers": [
            "CVE-2021-3116"
          ],
          "not_impacted": "All versions starting from 2.3.1",
          "package_slug": "pypi/proxy.py",
          "pubdate": "2021-01-11",
          "solution": "Upgrade to version 2.3.1 or above.",
          "title": "Improper Authorization",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-3116"
          ],
          "uuid": "6e8ede65-7b9e-4194-b1cd-fc6163e9b628"
        }
      ]
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:proxy.py_project:proxy.py:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "8B9F903B-99CF-482B-A91A-9117B1A7E890",
                    "versionEndExcluding": "2.3.1",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "before_upstream_connection in AuthPlugin in http/proxy/auth.py in proxy.py before 2.3.1 accepts incorrect Proxy-Authorization header data because of a boolean confusion (and versus or)."
          },
          {
            "lang": "es",
            "value": "La funci\u00f3n before_upstream_connection en AuthPlugin en el archivo http/proxy/auth.py en proxy.py versiones anteriores a 2.3.1, acepta datos de encabezado Proxy-Authorization incorrectos debido a una confusi\u00f3n booleana (y versus o)"
          }
        ],
        "id": "CVE-2021-3116",
        "lastModified": "2024-02-15T21:40:16.967",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 5.0,
                "confidentialityImpact": "NONE",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "NONE",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2021-01-11T05:15:10.987",
        "references": [
          {
            "source": "cve@mitre.org",
            "tags": [
              "Exploit",
              "Third Party Advisory"
            ],
            "url": "https://cardaci.xyz/advisories/2021/01/10/proxy.py-2.3.0-broken-basic-authentication/"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Patch"
            ],
            "url": "https://github.com/abhinavsingh/proxy.py/pull/482/commits/9b00093288237f5073c403f2c4f62acfdfa8ed46"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Product"
            ],
            "url": "https://pypi.org/project/proxy.py/2.3.1/#history"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-697"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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