FKIE_CVE-2023-4491

Vulnerability from fkie_nvd - Published: 2023-10-04 13:15 - Updated: 2026-06-17 06:37
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Buffer overflow vulnerability in Easy Address Book Web Server 1.6 version. The exploitation of this vulnerability could allow an attacker to send a very long username string to /searchbook.ghp, asking for the name via a POST request, resulting in arbitrary code execution on the remote machine.
References
cve-coordination@incibe.eshttps://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-efs-software-productsThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-efs-software-productsThird Party Advisory
Impacted products
Vendor Product Version
easy_address_book_web_server_project easy_address_book_web_server 1.6
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Easy Address Book Web Server",
          "vendor": "EFS Software",
          "versions": [
            {
              "status": "affected",
              "version": "1.6"
            }
          ]
        }
      ],
      "source": "cve-coordination@incibe.es"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:efs_software:easy_address_book_web_server:1.6:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "easy_address_book_web_server",
          "vendor": "efs_software",
          "versions": [
            {
              "status": "affected",
              "version": "1.6"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:easy_address_book_web_server_project:easy_address_book_web_server:1.6:*:*:*:*:*:*:*",
              "matchCriteriaId": "DC5C9543-0A62-454D-AB8D-EDDFA485E2B0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow vulnerability in Easy Address Book Web Server 1.6 version. The exploitation of this vulnerability could allow an attacker to send a very long username string to /searchbook.ghp, asking for the name via a POST request, resulting in arbitrary code execution on the remote machine."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de desbordamiento de b\u00fafer en Easy Address Book Web Server versi\u00f3n 1.6. La explotaci\u00f3n de esta vulnerabilidad podr\u00eda permitir a un atacante enviar un nombre de usuario muy largo a /searchbook.ghp, solicitando el nombre mediante una solicitud POST, lo que resultar\u00eda en la ejecuci\u00f3n de c\u00f3digo arbitrario en la m\u00e1quina remota."
    }
  ],
  "id": "CVE-2023-4491",
  "lastModified": "2026-06-17T06:37:56.793",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "cve-coordination@incibe.es",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-4491",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-05T17:59:00.674057Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-10-04T13:15:25.823",
  "references": [
    {
      "source": "cve-coordination@incibe.es",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-efs-software-products"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-efs-software-products"
    }
  ],
  "sourceIdentifier": "cve-coordination@incibe.es",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "cve-coordination@incibe.es",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.


Detection rules are retrieved from Rulezet.