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CVE-2010-2810

Estado: ModificadaMedia (6.8)—

Heap-based buffer overflow in the convert_to_idna function in WWW/Library/Implementation/HTParse.c in Lynx 2.8.8dev.1 through 2.8.8dev.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a malformed URL containing a % (percent) character in the domain name.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Lynx — Lynx

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2010-2810",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2010-08-20T18:00:02.250",
  "references": [
    {
      "url": "http://marc.info/?l=oss-security&m=128151768510564&w=2",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://marc.info/?l=oss-security&m=128152412221677&w=2",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1642-1",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2010/2042",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugs.launchpad.net/ubuntu/+source/lynx-cur/+bug/613254",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/61007",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://marc.info/?l=oss-security&m=128151768510564&w=2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://marc.info/?l=oss-security&m=128152412221677&w=2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1642-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2010/2042",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugs.launchpad.net/ubuntu/+source/lynx-cur/+bug/613254",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/61007",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Heap-based buffer overflow in the convert_to_idna function in WWW/Library/Implementation/HTParse.c in Lynx 2.8.8dev.1 through 2.8.8dev.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a malformed URL containing a % (percent) character in the domain name."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de búfer basado en la memoria dinámica en la función convert_to_idna en WWW/Library/Implementation/HTParse.c en Lynx v2.8.8dev.1 hasta v2.8.8dev.4 permite a atacantes remotos provocar una denegación de servicio (caída de aplicación) o posilemete ejecutar código de su elección a través de una URL mal formada qye contiene un caracter % (porcentaje) en el nombre de dominio."
    }
  ],
  "lastModified": "2026-06-16T23:21:33.063",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:lynx:lynx:2.8.8:dev.1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "42FB67C0-FDC8-47D4-9F16-D2AF58702154"
            },
            {
              "criteria": "cpe:2.3:a:lynx:lynx:2.8.8:dev.2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F1D960C6-14BE-40F9-A1D7-AAA8BACBF110"
            },
            {
              "criteria": "cpe:2.3:a:lynx:lynx:2.8.8:dev.3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "50A549F2-0202-4FFE-9EF3-2B1334DB32F1"
            },
            {
              "criteria": "cpe:2.3:a:lynx:lynx:2.8.8:dev.4:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1042CE97-1042-4BED-9A42-18379A309780"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}