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CVE-2018-8785

Estado: ModificadaCrítica (9.8)—

FreeRDP en versiones anteriores a la 2.0.0-rc4 contiene un desbordamiento de búfer basado en memoria dinámica (heap) en la función zgfx_decompress() que resulta en una corrupción de memoria y, probablemente, incluso en la ejecución remota de código.

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 (2)

Canonical — Ubuntu LinuxFreerdp — Freerdp

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2018-8785",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "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
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          "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": "cve@checkpoint.com",
      "affectedData": [
        {
          "vendor": "Check Point Software Technologies Ltd.",
          "product": "FreeRDP",
          "versions": [
            {
              "status": "affected",
              "version": "All versions prior to 2.0.0-rc4"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-11-29T18:29:00.850",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/106938",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
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      "source": "cve@checkpoint.com"
    },
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      "tags": [
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        "Vendor Advisory"
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      "source": "cve@checkpoint.com"
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      "source": "cve@checkpoint.com"
    },
    {
      "url": "https://usn.ubuntu.com/3845-1/",
      "tags": [
        "Third Party Advisory"
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      "source": "cve@checkpoint.com"
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    {
      "url": "http://www.securityfocus.com/bid/106938",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/FreeRDP/FreeRDP/commit/602f4a2e14b41703b5f431de3154cd46a5750a2d",
      "tags": [
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        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve@checkpoint.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress() that results in a memory corruption and probably even a remote code execution."
    },
    {
      "lang": "es",
      "value": "FreeRDP en versiones anteriores a la 2.0.0-rc4 contiene un desbordamiento de búfer basado en memoria dinámica (heap) en la función zgfx_decompress() que resulta en una corrupción de memoria y, probablemente, incluso en la ejecución remota de código."
    }
  ],
  "lastModified": "2026-06-17T02:05:22.987",
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