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CVE-2019-8287

Estado: ModificadaCrítica (9.8)—

TightVNC code version 1.3.10 contains global buffer overflow in HandleCoRREBBP macro function, which can potentially result code execution. This attack appear to be exploitable via network connectivity.

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)

Tightvnc — Tightvnc

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-8287",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "vulnerability@kaspersky.com",
      "affectedData": [
        {
          "vendor": "Kaspersky",
          "product": "TightVNC",
          "versions": [
            {
              "status": "affected",
              "version": "1.3.10"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-10-29T19:15:22.640",
  "references": [
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-478893.pdf",
      "source": "vulnerability@kaspersky.com"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html",
      "source": "vulnerability@kaspersky.com"
    },
    {
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-08",
      "source": "vulnerability@kaspersky.com"
    },
    {
      "url": "https://www.openwall.com/lists/oss-security/2018/12/10/5",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "vulnerability@kaspersky.com"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-478893.pdf",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-08",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.openwall.com/lists/oss-security/2018/12/10/5",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "vulnerability@kaspersky.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "TightVNC code version 1.3.10 contains global buffer overflow in HandleCoRREBBP macro function, which can potentially result code execution. This attack appear to be exploitable via network connectivity."
    },
    {
      "lang": "es",
      "value": "El código de TightVNC versión 1.3.10, contiene un desbordamiento del búfer global en la función macro HandleCoRREBBP, que puede resultar potencialmente en una ejecución de código. Este ataque parece ser explotable mediante la conectividad de red."
    }
  ],
  "lastModified": "2026-06-17T02:41:48.737",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:tightvnc:tightvnc:1.3.10:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "37E2BF43-0B3B-4BDD-B145-62E7333F4A93"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "vulnerability@kaspersky.com"
}