cnvd - cnvd-2021-63773

CNVD-2021-63773

Vulnerability from cnvd - Published: 2021-08-19

Title

多款NETGEAR产品缓冲区溢出漏洞（CNVD-2021-63773）

Description

NETGEAR R8900等都是美国网件（NETGEAR）公司的一款无线路由器。多款NETGEAR产品中存在缓冲区溢出漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。

Severity

中

Patch Name

多款NETGEAR产品缓冲区溢出漏洞（CNVD-2021-63773）的补丁

Patch Description

NETGEAR R8900等都是美国网件（NETGEAR）公司的一款无线路由器。多款NETGEAR产品中存在缓冲区溢出漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

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://kb.netgear.com/000060962/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-WiFi-Systems-PSV-2018-0032

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-20747

Impacted products

Name
['NETGEAR R7800 <1.0.2.52', 'NETGEAR R8900 <1.0.4.2', 'NETGEAR R9000 <1.0.3.16', 'NETGEAR RBK20 <2.3.0.22', 'NETGEAR RBR20 <2.3.0.22', 'NETGEAR RBS20 <2.3.0.22', 'NETGEAR RBK50 <2.3.0.22', 'NETGEAR RBR50 <2.3.0.22', 'NETGEAR RBS50 <2.3.0.22', 'NETGEAR RBS40 <2.3.0.22', 'NetGear WNDR3700v4 <1.0.2.102', 'NetGear WNDR4300 <1.0.2.104', 'Netgear WNR2000v5 <1.0.0.66', 'NETGEAR D6100 <1.0.0.58', 'NETGEAR WNDR4300v2 <1.0.0.56', 'NETGEAR WNDR4500v3 <1.0.0.56', 'NETGEAR D7800 <1.0.1.40', 'NETGEAR R7500v2 <1.0.3.34', 'NETGEAR RAX120 <1.0.0.74', 'NETGEAR RBK40 <2.3.0.22', 'NETGEAR SRK60 <2.2.0.64', 'NETGEAR SRR60 <2.2.0.64', 'NETGEAR SRS60 <2.2.0.64']

Name

['NETGEAR R7800 <1.0.2.52', 'NETGEAR R8900 <1.0.4.2', 'NETGEAR R9000 <1.0.3.16', 'NETGEAR RBK20 <2.3.0.22', 'NETGEAR RBR20 <2.3.0.22', 'NETGEAR RBS20 <2.3.0.22', 'NETGEAR RBK50 <2.3.0.22', 'NETGEAR RBR50 <2.3.0.22', 'NETGEAR RBS50 <2.3.0.22', 'NETGEAR RBS40 <2.3.0.22', 'NetGear WNDR3700v4 <1.0.2.102', 'NetGear WNDR4300 <1.0.2.104', 'Netgear WNR2000v5 <1.0.0.66', 'NETGEAR D6100 <1.0.0.58', 'NETGEAR WNDR4300v2 <1.0.0.56', 'NETGEAR WNDR4500v3 <1.0.0.56', 'NETGEAR D7800 <1.0.1.40', 'NETGEAR R7500v2 <1.0.3.34', 'NETGEAR RAX120 <1.0.0.74', 'NETGEAR RBK40 <2.3.0.22', 'NETGEAR SRK60 <2.2.0.64', 'NETGEAR SRR60 <2.2.0.64', 'NETGEAR SRS60 <2.2.0.64']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-20747"
    }
  },
  "description": "NETGEAR R8900\u7b49\u90fd\u662f\u7f8e\u56fd\u7f51\u4ef6\uff08NETGEAR\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\n\u591a\u6b3eNETGEAR\u4ea7\u54c1\u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u5bfc\u81f4\u5411\u5173\u8054\u7684\u5176\u4ed6\u5185\u5b58\u4f4d\u7f6e\u4e0a\u6267\u884c\u4e86\u9519\u8bef\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\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://kb.netgear.com/000060962/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-WiFi-Systems-PSV-2018-0032",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-63773",
  "openTime": "2021-08-19",
  "patchDescription": "NETGEAR R8900\u7b49\u90fd\u662f\u7f8e\u56fd\u7f51\u4ef6\uff08NETGEAR\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\r\n\r\n\u591a\u6b3eNETGEAR\u4ea7\u54c1\u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u5bfc\u81f4\u5411\u5173\u8054\u7684\u5176\u4ed6\u5185\u5b58\u4f4d\u7f6e\u4e0a\u6267\u884c\u4e86\u9519\u8bef\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\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\u6b3eNETGEAR\u4ea7\u54c1\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-63773\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "NETGEAR R7800 \u003c1.0.2.52",
      "NETGEAR R8900 \u003c1.0.4.2",
      "NETGEAR R9000 \u003c1.0.3.16",
      "NETGEAR RBK20 \u003c2.3.0.22",
      "NETGEAR RBR20 \u003c2.3.0.22",
      "NETGEAR RBS20 \u003c2.3.0.22",
      "NETGEAR RBK50 \u003c2.3.0.22",
      "NETGEAR RBR50 \u003c2.3.0.22",
      "NETGEAR RBS50 \u003c2.3.0.22",
      "NETGEAR RBS40 \u003c2.3.0.22",
      "NetGear WNDR3700v4 \u003c1.0.2.102",
      "NetGear WNDR4300 \u003c1.0.2.104",
      "Netgear WNR2000v5 \u003c1.0.0.66",
      "NETGEAR D6100 \u003c1.0.0.58",
      "NETGEAR WNDR4300v2 \u003c1.0.0.56",
      "NETGEAR WNDR4500v3 \u003c1.0.0.56",
      "NETGEAR D7800 \u003c1.0.1.40",
      "NETGEAR R7500v2 \u003c1.0.3.34",
      "NETGEAR RAX120 \u003c1.0.0.74",
      "NETGEAR RBK40 \u003c2.3.0.22",
      "NETGEAR SRK60 \u003c2.2.0.64",
      "NETGEAR SRR60 \u003c2.2.0.64",
      "NETGEAR SRS60 \u003c2.2.0.64"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-20747",
  "serverity": "\u4e2d",
  "submitTime": "2020-04-17",
  "title": "\u591a\u6b3eNETGEAR\u4ea7\u54c1\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-63773\uff09"
}

CVE-2019-20747 (GCVE-0-2019-20747)

Vulnerability from cvelistv5 – Published: 2020-04-16 20:58 – Updated: 2024-08-05 02:53

Summary

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.58, D7800 before 1.0.1.40, R7500v2 before 1.0.3.34, R7800 before 1.0.2.52, R8900 before 1.0.4.2, R9000 before 1.0.3.16, RAX120 before 1.0.0.74, RBK20 before 2.3.0.22, RBR20 before 2.3.0.22, RBS20 before 2.3.0.22, RBK50 before 2.3.0.22, RBR50 before 2.3.0.22, RBS50 before 2.3.0.22, RBK40 before 2.3.0.22, RBS40 before 2.3.0.22, SRK60 before 2.2.0.64, SRR60 before 2.2.0.64, SRS60 before 2.2.0.64, WNDR3700v4 before 1.0.2.102, WNDR4300 before 1.0.2.104, WNDR4300v2 before 1.0.0.56, WNDR4500v3 before 1.0.0.56, and WNR2000v5 before 1.0.0.66.

Severity ?

6.8 (Medium)


                        
                          CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:U/UI:N

CWE

Assigner

mitre

References

URL

Tags

https://kb.netgear.com/000060962/Security-Advisor…

x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T02:53:08.827Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://kb.netgear.com/000060962/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-WiFi-Systems-PSV-2018-0032"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.58, D7800 before 1.0.1.40, R7500v2 before 1.0.3.34, R7800 before 1.0.2.52, R8900 before 1.0.4.2, R9000 before 1.0.3.16, RAX120 before 1.0.0.74, RBK20 before 2.3.0.22, RBR20 before 2.3.0.22, RBS20 before 2.3.0.22, RBK50 before 2.3.0.22, RBR50 before 2.3.0.22, RBS50 before 2.3.0.22, RBK40 before 2.3.0.22, RBS40 before 2.3.0.22, SRK60 before 2.2.0.64, SRR60 before 2.2.0.64, SRS60 before 2.2.0.64, WNDR3700v4 before 1.0.2.102, WNDR4300 before 1.0.2.104, WNDR4300v2 before 1.0.0.56, WNDR4500v3 before 1.0.0.56, and WNR2000v5 before 1.0.0.66."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:U/UI:N",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-04-16T20:58:15",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://kb.netgear.com/000060962/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-WiFi-Systems-PSV-2018-0032"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2019-20747",
          "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": "Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.58, D7800 before 1.0.1.40, R7500v2 before 1.0.3.34, R7800 before 1.0.2.52, R8900 before 1.0.4.2, R9000 before 1.0.3.16, RAX120 before 1.0.0.74, RBK20 before 2.3.0.22, RBR20 before 2.3.0.22, RBS20 before 2.3.0.22, RBK50 before 2.3.0.22, RBR50 before 2.3.0.22, RBS50 before 2.3.0.22, RBK40 before 2.3.0.22, RBS40 before 2.3.0.22, SRK60 before 2.2.0.64, SRR60 before 2.2.0.64, SRS60 before 2.2.0.64, WNDR3700v4 before 1.0.2.102, WNDR4300 before 1.0.2.104, WNDR4300v2 before 1.0.0.56, WNDR4500v3 before 1.0.0.56, and WNR2000v5 before 1.0.0.66."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT",
            "availabilityImpact": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:U/UI:N",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://kb.netgear.com/000060962/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-WiFi-Systems-PSV-2018-0032",
              "refsource": "CONFIRM",
              "url": "https://kb.netgear.com/000060962/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-WiFi-Systems-PSV-2018-0032"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2019-20747",
    "datePublished": "2020-04-16T20:58:15",
    "dateReserved": "2020-04-15T00:00:00",
    "dateUpdated": "2024-08-05T02:53:08.827Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
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.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2021-63773

CVE-2019-20747 (GCVE-0-2019-20747)

Tags

Sightings

Nomenclature