Vulnerability-Lookup

CNVD-2020-19845

Vulnerability from cnvd - Published: 2020-03-27

Title

Videolabs libmicrodns输入验证错误漏洞

Description

Videolabs libmicrodns是法国Videolabs实验室的一款跨平台的mDNS（多播DNS）解析器。 Videolabs libmicrodns 0.1.0的TXT记录解析功能存在输入验证错误漏洞。该漏洞源于网络系统或产品未对输入的数据进行正确的验证。攻击者可利用该漏洞触发多个整数溢出，从而导致拒绝服务。

Severity

中

Patch Name

Videolabs libmicrodns输入验证错误漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页： https://github.com/videolabs/libmicrodns

Reference

https://talosintelligence.com/vulnerability_reports/TALOS-2020-0996

Impacted products

Name
Videolabs libmicrodns 0.1.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-6073"
    }
  },
  "description": "Videolabs libmicrodns\u662f\u6cd5\u56fdVideolabs\u5b9e\u9a8c\u5ba4\u7684\u4e00\u6b3e\u8de8\u5e73\u53f0\u7684mDNS\uff08\u591a\u64adDNS\uff09\u89e3\u6790\u5668\u3002\n\nVideolabs libmicrodns 0.1.0\u7684TXT\u8bb0\u5f55\u89e3\u6790\u529f\u80fd\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u672a\u5bf9\u8f93\u5165\u7684\u6570\u636e\u8fdb\u884c\u6b63\u786e\u7684\u9a8c\u8bc1\u3002 \u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u89e6\u53d1\u591a\u4e2a\u6574\u6570\u6ea2\u51fa\uff0c\u4ece\u800c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://github.com/videolabs/libmicrodns",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-19845",
  "openTime": "2020-03-27",
  "patchDescription": "Videolabs libmicrodns\u662f\u6cd5\u56fdVideolabs\u5b9e\u9a8c\u5ba4\u7684\u4e00\u6b3e\u8de8\u5e73\u53f0\u7684mDNS\uff08\u591a\u64adDNS\uff09\u89e3\u6790\u5668\u3002\r\n\r\nVideolabs libmicrodns 0.1.0\u7684TXT\u8bb0\u5f55\u89e3\u6790\u529f\u80fd\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u672a\u5bf9\u8f93\u5165\u7684\u6570\u636e\u8fdb\u884c\u6b63\u786e\u7684\u9a8c\u8bc1\u3002 \u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u89e6\u53d1\u591a\u4e2a\u6574\u6570\u6ea2\u51fa\uff0c\u4ece\u800c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Videolabs libmicrodns\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Videolabs libmicrodns 0.1.0"
  },
  "referenceLink": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-0996",
  "serverity": "\u4e2d",
  "submitTime": "2020-03-25",
  "title": "Videolabs libmicrodns\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2020-6073 (GCVE-0-2020-6073)

Vulnerability from cvelistv5 – Published: 2020-03-24 20:43 – Updated: 2024-08-04 08:47

Summary

An exploitable denial-of-service vulnerability exists in the TXT record-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing the RDATA section in a TXT record in mDNS messages, multiple integer overflows can be triggered, leading to a denial of service. An attacker can send an mDNS message to trigger this vulnerability.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

denial of service

Assigner

talos mitre root Scorecard

References

3 references

URL	Tags
https://www.debian.org/security/2020/dsa-4671	vendor-advisoryx_refsource_DEBIAN
https://security.gentoo.org/glsa/202005-10	vendor-advisoryx_refsource_GENTOO
https://talosintelligence.com/vulnerability_repor…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	Videolabs	Affected: Videolabs libmicrodns 0.1.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T08:47:40.990Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "DSA-4671",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "https://www.debian.org/security/2020/dsa-4671"
          },
          {
            "name": "GLSA-202005-10",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202005-10"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-0996"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Videolabs",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Videolabs libmicrodns 0.1.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An exploitable denial-of-service vulnerability exists in the TXT record-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing the RDATA section in a TXT record in mDNS messages, multiple integer overflows can be triggered, leading to a denial of service. An attacker can send an mDNS message to trigger this vulnerability."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "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"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "denial of service",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-04-19T17:35:30.000Z",
        "orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
        "shortName": "talos"
      },
      "references": [
        {
          "name": "DSA-4671",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "https://www.debian.org/security/2020/dsa-4671"
        },
        {
          "name": "GLSA-202005-10",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202005-10"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-0996"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "talos-cna@cisco.com",
          "ID": "CVE-2020-6073",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Videolabs",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Videolabs libmicrodns 0.1.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            }
          ]
        },
        "impact": {
          "cvss": {
            "baseScore": 7.5,
            "baseSeverity": "High",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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        "problemtype": {
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                {
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                  "value": "denial of service"
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        },
        "references": {
          "reference_data": [
            {
              "name": "DSA-4671",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2020/dsa-4671"
            },
            {
              "name": "GLSA-202005-10",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/202005-10"
            },
            {
              "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-0996",
              "refsource": "MISC",
              "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-0996"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
    "assignerShortName": "talos",
    "cveId": "CVE-2020-6073",
    "datePublished": "2020-03-24T20:43:10.000Z",
    "dateReserved": "2020-01-07T00:00:00.000Z",
    "dateUpdated": "2024-08-04T08:47:40.990Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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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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Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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CNVD-2020-19845

CVE-2020-6073 (GCVE-0-2020-6073)

Tags

Sightings

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