github - ghsa-4fwh-3qpr-42ff

GHSA-4FWH-3QPR-42FF

Vulnerability from github – Published: 2022-05-24 19:20 – Updated: 2022-05-24 19:20

Details

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6400v2 1.0.4.106_10.0.80 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the UPnP service, which listens on TCP port 5000 by default. When parsing the uuid request header, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-14110.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-34991"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-11-15T16:15:00Z",
    "severity": "HIGH"
  },
  "details": "This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6400v2 1.0.4.106_10.0.80 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the UPnP service, which listens on TCP port 5000 by default. When parsing the uuid request header, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-14110.",
  "id": "GHSA-4fwh-3qpr-42ff",
  "modified": "2022-05-24T19:20:54Z",
  "published": "2022-05-24T19:20:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-34991"
    },
    {
      "type": "WEB",
      "url": "https://kb.netgear.com/000064361/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Multiple-Products-PSV-2021-0168"
    },
    {
      "type": "WEB",
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1303"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2021-34991 (GCVE-0-2021-34991)

Vulnerability from cvelistv5 – Published: 2021-11-15 15:40 – Updated: 2024-08-04 00:26

Summary

Severity ?

8.8 (High)


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

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

zdi

References

URL

Tags

	https://www.zerodayinitiative.com/advisories/ZDI-…	x_refsource_MISC
	https://kb.netgear.com/000064361/Security-Advisor…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	NETGEAR	R6400v2	Affected: 1.0.4.106_10.0.80

Credits

anonymous

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JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:26:55.733Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1303/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://kb.netgear.com/000064361/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Multiple-Products-PSV-2021-0168"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "R6400v2",
          "vendor": "NETGEAR",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.4.106_10.0.80"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "anonymous"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6400v2 1.0.4.106_10.0.80 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the UPnP service, which listens on TCP port 5000 by default. When parsing the uuid request header, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-14110."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
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      ],
      "problemTypes": [
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          "descriptions": [
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      ],
      "providerMetadata": {
        "dateUpdated": "2022-01-13T21:44:43",
        "orgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
        "shortName": "zdi"
      },
      "references": [
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          "url": "https://kb.netgear.com/000064361/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Multiple-Products-PSV-2021-0168"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "zdi-disclosures@trendmicro.com",
          "ID": "CVE-2021-34991",
          "STATE": "PUBLIC"
        },
        "affects": {
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            "vendor_data": [
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                  "product_data": [
                    {
                      "product_name": "R6400v2",
                      "version": {
                        "version_data": [
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                      }
                    }
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                },
                "vendor_name": "NETGEAR"
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          }
        },
        "credit": "anonymous",
        "data_format": "MITRE",
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            }
          ]
        },
        "impact": {
          "cvss": {
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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        },
        "problemtype": {
          "problemtype_data": [
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              "refsource": "MISC",
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            },
            {
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
    "assignerShortName": "zdi",
    "cveId": "CVE-2021-34991",
    "datePublished": "2021-11-15T15:40:16",
    "dateReserved": "2021-06-17T00:00:00",
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    "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

GHSA-4FWH-3QPR-42FF

CVE-2021-34991 (GCVE-0-2021-34991)

Tags

Sightings

Nomenclature