FKIE_CVE-2022-43972

Vulnerability from fkie_nvd - Published: 2023-01-09 21:15 - Updated: 2024-11-21 07:27
Severity ?
6.5 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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.
References
trellixpsirt@trellix.comhttps://youtu.be/73-1lhvJPNgExploit, Third Party Advisory
trellixpsirt@trellix.comhttps://youtu.be/RfWVYCUBNZ0Exploit, Third Party Advisory
trellixpsirt@trellix.comhttps://youtu.be/TeWAmZaKQ_wExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://youtu.be/73-1lhvJPNgExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://youtu.be/RfWVYCUBNZ0Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://youtu.be/TeWAmZaKQ_wExploit, Third Party Advisory
Impacted products
Vendor Product Version
linksys wrt54gl_firmware *
linksys wrt54gl -
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linksys:wrt54gl_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "AC08DC7C-7FBB-4CD6-89F1-7F4997BC9CAE",
              "versionEndIncluding": "4.30.18.006",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:linksys:wrt54gl:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "04AA9149-2F72-4585-8A41-66AE3D573197",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de desreferencia de puntero nulo en el router Linksys WRT54GL Wireless-G Broadband con firmware \u0026lt;= 4.30.18.006. Un atacante no autenticado puede desencadenar una desreferencia de puntero nulo en la funci\u00f3n SOAP_action dentro del binario upnp a trav\u00e9s de una solicitud POST maliciosa que invoca la acci\u00f3n AddPortMapping."
    }
  ],
  "id": "CVE-2022-43972",
  "lastModified": "2024-11-21T07:27:27.420",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "trellixpsirt@trellix.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2023-01-09T21:15:10.920",
  "references": [
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      "tags": [
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        "Third Party Advisory"
      ],
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    },
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      "tags": [
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      ],
      "url": "https://youtu.be/RfWVYCUBNZ0"
    },
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      "tags": [
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://youtu.be/TeWAmZaKQ_w"
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  ],
  "sourceIdentifier": "trellixpsirt@trellix.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "trellixpsirt@trellix.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Sightings

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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.