Vulnerability-Lookup

GHSA-2P3F-3CJ6-R8VV

Vulnerability from github – Published: 2023-01-09 21:30 – Updated: 2023-01-13 18:30

Details

A null pointer dereference vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. A null pointer dereference in the soap_action function within the upnp binary can be triggered by an unauthenticated attacker via a malicious POST request invoking the AddPortMapping action.

Severity ?

7.5 (High)


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

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2022-43972"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-01-09T21:15:00Z",
    "severity": "HIGH"
  },
  "details": "A null pointer dereference vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware \u003c= 4.30.18.006. A null pointer dereference in the soap_action function within the upnp binary can be triggered by an unauthenticated attacker via a malicious POST request invoking the AddPortMapping action.",
  "id": "GHSA-2p3f-3cj6-r8vv",
  "modified": "2023-01-13T18:30:19Z",
  "published": "2023-01-09T21:30:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-43972"
    },
    {
      "type": "WEB",
      "url": "https://youtu.be/73-1lhvJPNg"
    },
    {
      "type": "WEB",
      "url": "https://youtu.be/RfWVYCUBNZ0"
    },
    {
      "type": "WEB",
      "url": "https://youtu.be/TeWAmZaKQ_w"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2022-43972 (GCVE-0-2022-43972)

Vulnerability from cvelistv5 – Published: 2023-01-09 00:00 – Updated: 2025-04-09 14:22

Title

Null pointer dereference in Linksys WRT54GL

Summary

Severity ?

6.5 (Medium)


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

CWE

CWE-476 - NULL Pointer Dereference

Assigner

trellix

References

URL

Tags

	https://youtu.be/73-1lhvJPNg
	https://youtu.be/TeWAmZaKQ_w
	https://youtu.be/RfWVYCUBNZ0

Impacted products

	Vendor	Product	Version
	Linksys	WRT54GL Wireless-G Broadband Router	Affected: Firmware , ≤ 4.30.18.006 (custom)

Credits

Jessie Chick of Trellix ARC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T13:47:05.079Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://youtu.be/73-1lhvJPNg"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://youtu.be/TeWAmZaKQ_w"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://youtu.be/RfWVYCUBNZ0"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-43972",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-09T14:21:57.291460Z",
                "version": "2.0.3"
              },
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        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-09T14:22:24.605Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "WRT54GL Wireless-G Broadband Router",
          "vendor": "Linksys",
          "versions": [
            {
              "lessThanOrEqual": "4.30.18.006",
              "status": "affected",
              "version": "Firmware",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
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          "url": "https://youtu.be/TeWAmZaKQ_w"
        },
        {
          "url": "https://youtu.be/RfWVYCUBNZ0"
        }
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      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Null pointer dereference in Linksys WRT54GL",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      }
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  },
  "cveMetadata": {
    "assignerOrgId": "01626437-bf8f-4d1c-912a-893b5eb04808",
    "assignerShortName": "trellix",
    "cveId": "CVE-2022-43972",
    "datePublished": "2023-01-09T00:00:00.000Z",
    "dateReserved": "2022-10-28T00:00:00.000Z",
    "dateUpdated": "2025-04-09T14:22:24.605Z",
    "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-2P3F-3CJ6-R8VV

CVE-2022-43972 (GCVE-0-2022-43972)

Tags

Sightings

Nomenclature