Vulnerability-Lookup

CNVD-2020-22979

Vulnerability from cnvd - Published: 2020-04-15

Title

多款Dahua产品缓冲区溢出漏洞

Description

Dahua SD6AL Series等都是中国大华（Dahua）公司的产品。SD6AL Series是一款SD6AL系列网络摄像机。NVR 5x Series是一款5x系列的网络视频录像机。IPC-HX2XXX Series是一款IPC-HX2XXX系列网络摄像机。多款Dahua产品中存在缓冲区溢出漏洞。攻击者可通过发送DDNS测试命令利用该漏洞造成拒绝服务。

Severity

高

Patch Name

多款Dahua产品缓冲区溢出漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://www.dahuasecurity.com/support/cybersecurity/details/727?us

Impacted products

Name
['Dahua SD 6AL Series', 'Dahua SD 5A Series', 'Dahua SD 1A Series', 'Dahua SD 50/52C Series', 'Dahua NVR N5x Series', 'Dahua NVR N4x Series', 'Dahua IPC N4 Series']

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-9499"
    }
  },
  "description": "Dahua SD6AL Series\u7b49\u90fd\u662f\u4e2d\u56fd\u5927\u534e\uff08Dahua\uff09\u516c\u53f8\u7684\u4ea7\u54c1\u3002SD6AL Series\u662f\u4e00\u6b3eSD6AL\u7cfb\u5217\u7f51\u7edc\u6444\u50cf\u673a\u3002NVR 5x Series\u662f\u4e00\u6b3e5x\u7cfb\u5217\u7684\u7f51\u7edc\u89c6\u9891\u5f55\u50cf\u673a\u3002IPC-HX2XXX Series\u662f\u4e00\u6b3eIPC-HX2XXX\u7cfb\u5217\u7f51\u7edc\u6444\u50cf\u673a\u3002\n\n\u591a\u6b3eDahua\u4ea7\u54c1\u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001DDNS\u6d4b\u8bd5\u547d\u4ee4\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://www.dahuasecurity.com/support/cybersecurity/details/727?us",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-22979",
  "openTime": "2020-04-15",
  "patchDescription": "Dahua SD6AL Series\u7b49\u90fd\u662f\u4e2d\u56fd\u5927\u534e\uff08Dahua\uff09\u516c\u53f8\u7684\u4ea7\u54c1\u3002SD6AL Series\u662f\u4e00\u6b3eSD6AL\u7cfb\u5217\u7f51\u7edc\u6444\u50cf\u673a\u3002NVR 5x Series\u662f\u4e00\u6b3e5x\u7cfb\u5217\u7684\u7f51\u7edc\u89c6\u9891\u5f55\u50cf\u673a\u3002IPC-HX2XXX Series\u662f\u4e00\u6b3eIPC-HX2XXX\u7cfb\u5217\u7f51\u7edc\u6444\u50cf\u673a\u3002\r\n\r\n\u591a\u6b3eDahua\u4ea7\u54c1\u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001DDNS\u6d4b\u8bd5\u547d\u4ee4\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\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": "\u591a\u6b3eDahua\u4ea7\u54c1\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Dahua SD 6AL Series",
      "Dahua SD 5A Series",
      "Dahua SD 1A Series",
      "Dahua SD 50/52C Series",
      "Dahua NVR N5x Series",
      "Dahua NVR N4x Series",
      "Dahua IPC N4 Series"
    ]
  },
  "serverity": "\u9ad8",
  "submitTime": "2020-04-10",
  "title": "\u591a\u6b3eDahua\u4ea7\u54c1\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2020-9499 (GCVE-0-2020-9499)

Vulnerability from cvelistv5 – Published: 2020-04-09 13:19 – Updated: 2024-08-04 10:34

Summary

Some Dahua products have buffer overflow vulnerabilities. After the successful login of the legal account, the attacker sends a specific DDNS test command, which may cause the device to go down.

Severity

No CVSS data available.

CWE

Denial of Service

Assigner

dahua mitre root

References

1 reference

URL	Tags
https://www.dahuasecurity.com/support/cybersecuri…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	IPC-HX2XXX Series,IPC-HXXX5X4X Series,IPC-HX5842H,IPC-HX7842H,NVR 5x Series,NVR 4x Series,SD6AL Series,SD5A Series,SD1A Series,PTZ1A Series,SD50/52C Series	Affected: Versions which Build time before December,2019

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T10:34:38.218Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.dahuasecurity.com/support/cybersecurity/details/727"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "IPC-HX2XXX Series,IPC-HXXX5X4X Series,IPC-HX5842H,IPC-HX7842H,NVR 5x Series,NVR 4x Series,SD6AL Series,SD5A Series,SD1A Series,PTZ1A Series,SD50/52C Series",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Versions which Build time before December,2019"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Some Dahua products have buffer overflow vulnerabilities. After the successful login of the legal account, the attacker sends a specific DDNS test command, which may cause the device to go down."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Denial of Service",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-04-09T13:19:23.000Z",
        "orgId": "79ee569e-7d1e-4364-98f0-3a18e2a739ad",
        "shortName": "dahua"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.dahuasecurity.com/support/cybersecurity/details/727"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cybersecurity@dahuatech.com",
          "ID": "CVE-2020-9499",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "IPC-HX2XXX Series,IPC-HXXX5X4X Series,IPC-HX5842H,IPC-HX7842H,NVR 5x Series,NVR 4x Series,SD6AL Series,SD5A Series,SD1A Series,PTZ1A Series,SD50/52C Series",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Versions which Build time before December,2019"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Some Dahua products have buffer overflow vulnerabilities. After the successful login of the legal account, the attacker sends a specific DDNS test command, which may cause the device to go down."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Denial of Service"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.dahuasecurity.com/support/cybersecurity/details/727",
              "refsource": "MISC",
              "url": "https://www.dahuasecurity.com/support/cybersecurity/details/727"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "79ee569e-7d1e-4364-98f0-3a18e2a739ad",
    "assignerShortName": "dahua",
    "cveId": "CVE-2020-9499",
    "datePublished": "2020-04-09T13:19:23.000Z",
    "dateReserved": "2020-03-01T00:00:00.000Z",
    "dateUpdated": "2024-08-04T10:34:38.218Z",
    "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.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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Action not permitted

CNVD-2020-22979

CVE-2020-9499 (GCVE-0-2020-9499)

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