Vulnerability-Lookup

CNVD-2021-63381

Vulnerability from cnvd - Published: 2021-08-19

Title

多款NETGEAR产品缓冲区溢出漏洞（CNVD-2021-63381）

Description

NETGEAR EX7000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-2021-63381）的补丁

Patch Description

NETGEAR EX7000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/000061188/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2016

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-20737

Impacted products

Name
['NETGEAR D8500 <1.0.3.42', 'NETGEAR EX3700 <1.0.0.70', 'NETGEAR EX3800 <1.0.0.70', 'NETGEAR EX6000 <1.0.0.30', 'NETGEAR EX6100 <1.0.2.24', 'NETGEAR EX6120 <1.0.0.40', 'NETGEAR EX6130 <1.0.0.22', 'NETGEAR EX6200 <1.0.3.88', 'NETGEAR EX7000 <1.0.0.66', 'NETGEAR R6700 <1.0.1.46', 'NETGEAR R6900 <1.0.1.46', 'NETGEAR R7000 <1.0.9.28', 'NETGEAR R8000P <1.3.0.10', 'NETGEAR R7900P <1.3.0.10', 'NETGEAR R8500 <1.0.2.122', 'NETGEAR R8300 <1.0.2.122', 'NETGEAR WNDR3400v3 <1.0.1.24', 'NETGEAR D6220 <1.0.0.44', 'NETGEAR D6400 <1.0.0.78', 'NETGEAR D7000v2 <1.0.0.51', 'NETGEAR EX6150v1 <1.0.0.42', 'NETGEAR WN2500RPv2 <1.0.1.54', 'NETGEAR WNR3500Lv2 <1.2.0.54', 'NETGEAR R6400 <1.0.1.42', 'NETGEAR DGN2200v4 <1.0.0.106', 'NETGEAR DGND2200Bv4 <1.0.0.106', 'NETGEAR R6700v3 <1.0.2.52']

Name

['NETGEAR D8500 <1.0.3.42', 'NETGEAR EX3700 <1.0.0.70', 'NETGEAR EX3800 <1.0.0.70', 'NETGEAR EX6000 <1.0.0.30', 'NETGEAR EX6100 <1.0.2.24', 'NETGEAR EX6120 <1.0.0.40', 'NETGEAR EX6130 <1.0.0.22', 'NETGEAR EX6200 <1.0.3.88', 'NETGEAR EX7000 <1.0.0.66', 'NETGEAR R6700 <1.0.1.46', 'NETGEAR R6900 <1.0.1.46', 'NETGEAR R7000 <1.0.9.28', 'NETGEAR R8000P <1.3.0.10', 'NETGEAR R7900P <1.3.0.10', 'NETGEAR R8500 <1.0.2.122', 'NETGEAR R8300 <1.0.2.122', 'NETGEAR WNDR3400v3 <1.0.1.24', 'NETGEAR D6220 <1.0.0.44', 'NETGEAR D6400 <1.0.0.78', 'NETGEAR D7000v2 <1.0.0.51', 'NETGEAR EX6150v1 <1.0.0.42', 'NETGEAR WN2500RPv2 <1.0.1.54', 'NETGEAR WNR3500Lv2 <1.2.0.54', 'NETGEAR R6400 <1.0.1.42', 'NETGEAR DGN2200v4 <1.0.0.106', 'NETGEAR DGND2200Bv4 <1.0.0.106', 'NETGEAR R6700v3 <1.0.2.52']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-20737"
    }
  },
  "description": "NETGEAR EX7000\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/000061188/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2016",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-63381",
  "openTime": "2021-08-19",
  "patchDescription": "NETGEAR EX7000\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",
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  "products": {
    "product": [
      "NETGEAR D8500 \u003c1.0.3.42",
      "NETGEAR EX3700 \u003c1.0.0.70",
      "NETGEAR EX3800 \u003c1.0.0.70",
      "NETGEAR EX6000 \u003c1.0.0.30",
      "NETGEAR EX6100 \u003c1.0.2.24",
      "NETGEAR EX6120 \u003c1.0.0.40",
      "NETGEAR EX6130 \u003c1.0.0.22",
      "NETGEAR EX6200 \u003c1.0.3.88",
      "NETGEAR EX7000 \u003c1.0.0.66",
      "NETGEAR R6700 \u003c1.0.1.46",
      "NETGEAR R6900 \u003c1.0.1.46",
      "NETGEAR R7000 \u003c1.0.9.28",
      "NETGEAR R8000P \u003c1.3.0.10",
      "NETGEAR R7900P \u003c1.3.0.10",
      "NETGEAR R8500 \u003c1.0.2.122",
      "NETGEAR R8300 \u003c1.0.2.122",
      "NETGEAR WNDR3400v3 \u003c1.0.1.24",
      "NETGEAR D6220 \u003c1.0.0.44",
      "NETGEAR D6400 \u003c1.0.0.78",
      "NETGEAR D7000v2 \u003c1.0.0.51",
      "NETGEAR EX6150v1 \u003c1.0.0.42",
      "NETGEAR WN2500RPv2 \u003c1.0.1.54",
      "NETGEAR WNR3500Lv2 \u003c1.2.0.54",
      "NETGEAR R6400 \u003c1.0.1.42",
      "NETGEAR DGN2200v4 \u003c1.0.0.106",
      "NETGEAR DGND2200Bv4 \u003c1.0.0.106",
      "NETGEAR R6700v3 \u003c1.0.2.52"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-20737",
  "serverity": "\u4e2d",
  "submitTime": "2020-04-17",
  "title": "\u591a\u6b3eNETGEAR\u4ea7\u54c1\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-63381\uff09"
}

CVE-2019-20737 (GCVE-0-2019-20737)

Vulnerability from cvelistv5 – Published: 2020-04-16 19:16 – Updated: 2024-08-05 02:53

Summary

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.44, D6400 before 1.0.0.78, D7000v2 before 1.0.0.51, D8500 before 1.0.3.42, DGN2200v4 before 1.0.0.106, DGND2200Bv4 before 1.0.0.106, EX3700 before 1.0.0.70, EX3800 before 1.0.0.70, EX6000 before 1.0.0.30, EX6100 before 1.0.2.24, EX6120 before 1.0.0.40, EX6130 before 1.0.0.22, EX6150v1 before 1.0.0.42, EX6200 before 1.0.3.88, EX7000 before 1.0.0.66, R6400 before 1.0.1.42, R6700 before 1.0.1.46, R6700v3 before 1.0.2.52, R6900 before 1.0.1.46, R7000 before 1.0.9.28, R7900P before 1.3.0.10, R8000P before 1.3.0.10, R8300 before 1.0.2.122, R8500 before 1.0.2.122, WN2500RPv2 before 1.0.1.54, WNDR3400v3 before 1.0.1.24, and WNR3500Lv2 before 1.2.0.54.

Severity

5.6 (Medium)


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

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2324 records in the last 180 days details

References

1 reference

URL	Tags
https://kb.netgear.com/000061188/Security-Advisor…	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-05T02:53:08.763Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "https://kb.netgear.com/000061188/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2016"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "product": "n/a",
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.44, D6400 before 1.0.0.78, D7000v2 before 1.0.0.51, D8500 before 1.0.3.42, DGN2200v4 before 1.0.0.106, DGND2200Bv4 before 1.0.0.106, EX3700 before 1.0.0.70, EX3800 before 1.0.0.70, EX6000 before 1.0.0.30, EX6100 before 1.0.2.24, EX6120 before 1.0.0.40, EX6130 before 1.0.0.22, EX6150v1 before 1.0.0.42, EX6200 before 1.0.3.88, EX7000 before 1.0.0.66, R6400 before 1.0.1.42, R6700 before 1.0.1.46, R6700v3 before 1.0.2.52, R6900 before 1.0.1.46, R7000 before 1.0.9.28, R7900P before 1.3.0.10, R8000P before 1.3.0.10, R8300 before 1.0.2.122, R8500 before 1.0.2.122, WN2500RPv2 before 1.0.1.54, WNDR3400v3 before 1.0.1.24, and WNR3500Lv2 before 1.2.0.54."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 5.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AC:L/AV:L/A:L/C:H/I:L/PR:H/S:U/UI:N",
            "version": "3.0"
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          "url": "https://kb.netgear.com/000061188/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2016"
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        "affects": {
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    "state": "PUBLISHED"
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}

Sightings

Author	Source	Type	Date	Other

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.

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
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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