msrc_cve-2023-31147
Vulnerability from csaf_microsoft
Published
2023-05-01 00:00
Modified
2025-03-25 00:00
Summary
Insufficient randomness in generation of DNS query IDs in c-ares

Notes

Additional Resources
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer
The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.


To clipboard 

{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2023-31147 Insufficient randomness in generation of DNS query IDs in c-ares - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-31147.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "Insufficient randomness in generation of DNS query IDs in c-ares",
    "tracking": {
      "current_release_date": "2025-03-25T00:00:00.000Z",
      "generator": {
        "date": "2025-10-20T00:26:38.245Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2023-31147",
      "initial_release_date": "2023-05-01T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2023-05-29T00:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        },
        {
          "date": "2024-06-30T07:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Information published."
        },
        {
          "date": "2025-03-25T00:00:00.000Z",
          "legacy_version": "1.2",
          "number": "3",
          "summary": "Added grpc to CBL-Mariner 2.0\nAdded fluent-bit to CBL-Mariner 2.0\nAdded nodejs18 to CBL-Mariner 2.0\nAdded nodejs to CBL-Mariner 2.0\nAdded c-ares to CBL-Mariner 2.0\nAdded grpc to Azure Linux 3.0\nAdded c-ares to CBL-Mariner 1.0"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              },
              {
                "category": "product_version",
                "name": "1.0",
                "product": {
                  "name": "CBL Mariner 1.0",
                  "product_id": "16820"
                }
              },
              {
                "category": "product_version",
                "name": "2.0",
                "product": {
                  "name": "CBL Mariner 2.0",
                  "product_id": "17086"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cazl3 grpc 1.42.0-7",
                "product": {
                  "name": "\u003cazl3 grpc 1.42.0-7",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 grpc 1.42.0-7",
                "product": {
                  "name": "azl3 grpc 1.42.0-7",
                  "product_id": "20279"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 grpc 1.42.0-10",
                "product": {
                  "name": "\u003ccbl2 grpc 1.42.0-10",
                  "product_id": "5"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 grpc 1.42.0-10",
                "product": {
                  "name": "cbl2 grpc 1.42.0-10",
                  "product_id": "17874"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003cazl3 grpc 1.62.0-2",
                "product": {
                  "name": "\u003cazl3 grpc 1.62.0-2",
                  "product_id": "6"
                }
              },
              {
                "category": "product_version",
                "name": "azl3 grpc 1.62.0-2",
                "product": {
                  "name": "azl3 grpc 1.62.0-2",
                  "product_id": "17871"
                }
              }
            ],
            "category": "product_name",
            "name": "grpc"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccm1 c-ares 1.19.1-1",
                "product": {
                  "name": "\u003ccm1 c-ares 1.19.1-1",
                  "product_id": "11"
                }
              },
              {
                "category": "product_version",
                "name": "cm1 c-ares 1.19.1-1",
                "product": {
                  "name": "cm1 c-ares 1.19.1-1",
                  "product_id": "17862"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 c-ares 1.19.1-1",
                "product": {
                  "name": "\u003ccbl2 c-ares 1.19.1-1",
                  "product_id": "7"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 c-ares 1.19.1-1",
                "product": {
                  "name": "cbl2 c-ares 1.19.1-1",
                  "product_id": "17870"
                }
              }
            ],
            "category": "product_name",
            "name": "c-ares"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 python-gevent 21.1.2-3",
                "product": {
                  "name": "\u003ccbl2 python-gevent 21.1.2-3",
                  "product_id": "13"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 python-gevent 21.1.2-3",
                "product": {
                  "name": "cbl2 python-gevent 21.1.2-3",
                  "product_id": "17433"
                }
              }
            ],
            "category": "product_name",
            "name": "python-gevent"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 nodejs18 18.17.1-2",
                "product": {
                  "name": "\u003ccbl2 nodejs18 18.17.1-2",
                  "product_id": "10"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 nodejs18 18.17.1-2",
                "product": {
                  "name": "cbl2 nodejs18 18.17.1-2",
                  "product_id": "17866"
                }
              }
            ],
            "category": "product_name",
            "name": "nodejs18"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 nodejs 16.20.1-2",
                "product": {
                  "name": "\u003ccbl2 nodejs 16.20.1-2",
                  "product_id": "9"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 nodejs 16.20.1-2",
                "product": {
                  "name": "cbl2 nodejs 16.20.1-2",
                  "product_id": "17867"
                }
              }
            ],
            "category": "product_name",
            "name": "nodejs"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003ccbl2 fluent-bit 2.1.10-1",
                "product": {
                  "name": "\u003ccbl2 fluent-bit 2.1.10-1",
                  "product_id": "8"
                }
              },
              {
                "category": "product_version",
                "name": "cbl2 fluent-bit 2.1.10-1",
                "product": {
                  "name": "cbl2 fluent-bit 2.1.10-1",
                  "product_id": "17869"
                }
              }
            ],
            "category": "product_name",
            "name": "fluent-bit"
          },
          {
            "category": "product_name",
            "name": "azl3 rubygem-mini_portile2 2.8.4-1",
            "product": {
              "name": "azl3 rubygem-mini_portile2 2.8.4-1",
              "product_id": "3"
            }
          },
          {
            "category": "product_name",
            "name": "azl3 ceph 18.2.2-8",
            "product": {
              "name": "azl3 ceph 18.2.2-8",
              "product_id": "4"
            }
          },
          {
            "category": "product_name",
            "name": "cbl2 ceph 16.2.10-7",
            "product": {
              "name": "cbl2 ceph 16.2.10-7",
              "product_id": "2"
            }
          },
          {
            "category": "product_name",
            "name": "azl3 tensorflow 2.16.1-9",
            "product": {
              "name": "azl3 tensorflow 2.16.1-9",
              "product_id": "12"
            }
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003cazl3 grpc 1.42.0-7 as a component of Azure Linux 3.0",
          "product_id": "17084-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 grpc 1.42.0-7 as a component of Azure Linux 3.0",
          "product_id": "20279-17084"
        },
        "product_reference": "20279",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 rubygem-mini_portile2 2.8.4-1 as a component of Azure Linux 3.0",
          "product_id": "17084-3"
        },
        "product_reference": "3",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 ceph 18.2.2-8 as a component of Azure Linux 3.0",
          "product_id": "17084-4"
        },
        "product_reference": "4",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccm1 c-ares 1.19.1-1 as a component of CBL Mariner 1.0",
          "product_id": "16820-11"
        },
        "product_reference": "11",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cm1 c-ares 1.19.1-1 as a component of CBL Mariner 1.0",
          "product_id": "17862-16820"
        },
        "product_reference": "17862",
        "relates_to_product_reference": "16820"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 python-gevent 21.1.2-3 as a component of CBL Mariner 2.0",
          "product_id": "17086-13"
        },
        "product_reference": "13",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 python-gevent 21.1.2-3 as a component of CBL Mariner 2.0",
          "product_id": "17433-17086"
        },
        "product_reference": "17433",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 nodejs18 18.17.1-2 as a component of CBL Mariner 2.0",
          "product_id": "17086-10"
        },
        "product_reference": "10",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 nodejs18 18.17.1-2 as a component of CBL Mariner 2.0",
          "product_id": "17866-17086"
        },
        "product_reference": "17866",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 nodejs 16.20.1-2 as a component of CBL Mariner 2.0",
          "product_id": "17086-9"
        },
        "product_reference": "9",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 nodejs 16.20.1-2 as a component of CBL Mariner 2.0",
          "product_id": "17867-17086"
        },
        "product_reference": "17867",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 grpc 1.42.0-10 as a component of CBL Mariner 2.0",
          "product_id": "17086-5"
        },
        "product_reference": "5",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 grpc 1.42.0-10 as a component of CBL Mariner 2.0",
          "product_id": "17874-17086"
        },
        "product_reference": "17874",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 fluent-bit 2.1.10-1 as a component of CBL Mariner 2.0",
          "product_id": "17086-8"
        },
        "product_reference": "8",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 fluent-bit 2.1.10-1 as a component of CBL Mariner 2.0",
          "product_id": "17869-17086"
        },
        "product_reference": "17869",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003ccbl2 c-ares 1.19.1-1 as a component of CBL Mariner 2.0",
          "product_id": "17086-7"
        },
        "product_reference": "7",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 c-ares 1.19.1-1 as a component of CBL Mariner 2.0",
          "product_id": "17870-17086"
        },
        "product_reference": "17870",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "\u003cazl3 grpc 1.62.0-2 as a component of Azure Linux 3.0",
          "product_id": "17084-6"
        },
        "product_reference": "6",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 grpc 1.62.0-2 as a component of Azure Linux 3.0",
          "product_id": "17871-17084"
        },
        "product_reference": "17871",
        "relates_to_product_reference": "17084"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "cbl2 ceph 16.2.10-7 as a component of CBL Mariner 2.0",
          "product_id": "17086-2"
        },
        "product_reference": "2",
        "relates_to_product_reference": "17086"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 tensorflow 2.16.1-9 as a component of Azure Linux 3.0",
          "product_id": "17084-12"
        },
        "product_reference": "12",
        "relates_to_product_reference": "17084"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-31147",
      "cwe": {
        "id": "CWE-330",
        "name": "Use of Insufficiently Random Values"
      },
      "flags": [
        {
          "label": "component_not_present",
          "product_ids": [
            "17084-4",
            "17084-12"
          ]
        },
        {
          "label": "vulnerable_code_not_in_execute_path",
          "product_ids": [
            "17084-3"
          ]
        },
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
            "17086-2"
          ]
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "GitHub_M",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "20279-17084",
          "17862-16820",
          "17433-17086",
          "17866-17086",
          "17867-17086",
          "17874-17086",
          "17869-17086",
          "17870-17086",
          "17871-17084"
        ],
        "known_affected": [
          "17084-1",
          "16820-11",
          "17086-13",
          "17086-10",
          "17086-9",
          "17086-5",
          "17086-8",
          "17086-7",
          "17084-6"
        ],
        "known_not_affected": [
          "17084-3",
          "17084-4",
          "17086-2",
          "17084-12"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2023-31147 Insufficient randomness in generation of DNS query IDs in c-ares - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2023/msrc_cve-2023-31147.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2023-05-29T00:00:00.000Z",
          "details": "1.62.0-2:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17084-1",
            "17084-6"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2023-05-29T00:00:00.000Z",
          "details": "1.19.1-1:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "16820-11",
            "17086-7"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2023-05-29T00:00:00.000Z",
          "details": "21.1.2-3:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-13"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2023-05-29T00:00:00.000Z",
          "details": "18.17.1-2:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-10"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2023-05-29T00:00:00.000Z",
          "details": "16.20.1-2:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-9"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2023-05-29T00:00:00.000Z",
          "details": "1.42.0-10:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-5"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        },
        {
          "category": "vendor_fix",
          "date": "2023-05-29T00:00:00.000Z",
          "details": "2.1.10-1:Security Update:https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade",
          "product_ids": [
            "17086-8"
          ],
          "url": "https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "environmentalsScore": 0.0,
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 6.5,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "17084-1",
            "16820-11",
            "17086-13",
            "17086-10",
            "17086-9",
            "17086-5",
            "17086-8",
            "17086-7",
            "17084-6"
          ]
        }
      ],
      "title": "Insufficient randomness in generation of DNS query IDs in c-ares"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • 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.