gsd-2021-3737
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A flaw was found in python. An improperly handled HTTP response in the HTTP client code of python may allow a remote attacker, who controls the HTTP server, to make the client script enter an infinite loop, consuming CPU time. The highest threat from this vulnerability is to system availability.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2021-3737",
    "description": "A flaw was found in python. An improperly handled HTTP response in the HTTP client code of python may allow a remote attacker, who controls the HTTP server, to make the client script enter an infinite loop, consuming CPU time. The highest threat from this vulnerability is to system availability.",
    "id": "GSD-2021-3737",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-3737.html",
      "https://access.redhat.com/errata/RHSA-2021:4160",
      "https://ubuntu.com/security/CVE-2021-3737",
      "https://advisories.mageia.org/CVE-2021-3737.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2021-3737.html",
      "https://linux.oracle.com/cve/CVE-2021-3737.html",
      "https://access.redhat.com/errata/RHSA-2022:1663",
      "https://access.redhat.com/errata/RHSA-2022:1764",
      "https://access.redhat.com/errata/RHSA-2022:1821",
      "https://access.redhat.com/errata/RHSA-2022:1986"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-3737"
      ],
      "details": "A flaw was found in python. An improperly handled HTTP response in the HTTP client code of python may allow a remote attacker, who controls the HTTP server, to make the client script enter an infinite loop, consuming CPU time. The highest threat from this vulnerability is to system availability.",
      "id": "GSD-2021-3737",
      "modified": "2023-12-13T01:23:34.646249Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2021-3737",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "python",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "Fixed in python v3.6.14, python v3.7.11, python v3.8.11, python v3.9.6, python v3.10.0b2"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "A flaw was found in python. An improperly handled HTTP response in the HTTP client code of python may allow a remote attacker, who controls the HTTP server, to make the client script enter an infinite loop, consuming CPU time. The highest threat from this vulnerability is to system availability."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-835 - Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027), CWE-400 - Uncontrolled Resource Consumption"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://bugs.python.org/issue44022",
            "refsource": "MISC",
            "url": "https://bugs.python.org/issue44022"
          },
          {
            "name": "https://github.com/python/cpython/pull/25916",
            "refsource": "MISC",
            "url": "https://github.com/python/cpython/pull/25916"
          },
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1995162",
            "refsource": "MISC",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1995162"
          },
          {
            "name": "https://github.com/python/cpython/pull/26503",
            "refsource": "MISC",
            "url": "https://github.com/python/cpython/pull/26503"
          },
          {
            "name": "https://ubuntu.com/security/CVE-2021-3737",
            "refsource": "MISC",
            "url": "https://ubuntu.com/security/CVE-2021-3737"
          },
          {
            "name": "https://www.oracle.com/security-alerts/cpujul2022.html",
            "refsource": "MISC",
            "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
          },
          {
            "name": "https://python-security.readthedocs.io/vuln/urllib-100-continue-loop.html",
            "refsource": "MISC",
            "url": "https://python-security.readthedocs.io/vuln/urllib-100-continue-loop.html"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20220407-0009/",
            "refsource": "CONFIRM",
            "url": "https://security.netapp.com/advisory/ntap-20220407-0009/"
          },
          {
            "name": "[debian-lts-announce] 20230524 [SECURITY] [DLA 3432-1] python2.7 security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00024.html"
          },
          {
            "name": "[debian-lts-announce] 20230630 [SECURITY] [DLA 3477-1] python3.7 security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00039.html"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.8.11",
                "versionStartIncluding": "3.8.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.7.11",
                "versionStartIncluding": "3.7.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.9.6",
                "versionStartIncluding": "3.9.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.6.14",
                "versionStartIncluding": "3.6.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems:8.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian:8.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:redhat:codeready_linux_builder:8.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:21.04:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:netapp:hci:-:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:netapp:management_services_for_element_software:-:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:netapp:netapp_xcp_smb:-:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:netapp:xcp_nfs:-:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2021-3737"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "A flaw was found in python. An improperly handled HTTP response in the HTTP client code of python may allow a remote attacker, who controls the HTTP server, to make the client script enter an infinite loop, consuming CPU time. The highest threat from this vulnerability is to system availability."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-400"
                },
                {
                  "lang": "en",
                  "value": "CWE-835"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/python/cpython/pull/25916",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/python/cpython/pull/25916"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1995162",
              "refsource": "MISC",
              "tags": [
                "Issue Tracking",
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1995162"
            },
            {
              "name": "https://ubuntu.com/security/CVE-2021-3737",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://ubuntu.com/security/CVE-2021-3737"
            },
            {
              "name": "https://github.com/python/cpython/pull/26503",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/python/cpython/pull/26503"
            },
            {
              "name": "https://bugs.python.org/issue44022",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Issue Tracking",
                "Vendor Advisory"
              ],
              "url": "https://bugs.python.org/issue44022"
            },
            {
              "name": "https://python-security.readthedocs.io/vuln/urllib-100-continue-loop.html",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://python-security.readthedocs.io/vuln/urllib-100-continue-loop.html"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20220407-0009/",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://security.netapp.com/advisory/ntap-20220407-0009/"
            },
            {
              "name": "N/A",
              "refsource": "N/A",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
            },
            {
              "name": "[debian-lts-announce] 20230524 [SECURITY] [DLA 3432-1] python2.7 security update",
              "refsource": "MLIST",
              "tags": [],
              "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00024.html"
            },
            {
              "name": "[debian-lts-announce] 20230630 [SECURITY] [DLA 3477-1] python3.7 security update",
              "refsource": "MLIST",
              "tags": [],
              "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00039.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.1,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-06-30T23:15Z",
      "publishedDate": "2022-03-04T19:15Z"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.