FKIE_CVE-2018-8784

Vulnerability from fkie_nvd - Published: 2018-11-29 18:29 - Updated: 2026-06-17 02:05
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress_segment() that results in a memory corruption and probably even a remote code execution.
References
cve@checkpoint.comhttp://www.securityfocus.com/bid/106938Third Party Advisory, VDB Entry
cve@checkpoint.comhttps://github.com/FreeRDP/FreeRDP/commit/17c363a5162fd4dc77b1df54e48d7bd9bf6b3be7Patch, Vendor Advisory
cve@checkpoint.comhttps://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/Exploit, Third Party Advisory
cve@checkpoint.comhttps://usn.ubuntu.com/3845-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/106938Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://github.com/FreeRDP/FreeRDP/commit/17c363a5162fd4dc77b1df54e48d7bd9bf6b3be7Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3845-1/Third Party Advisory
Impacted products
Vendor Product Version
freerdp freerdp *
freerdp freerdp 2.0.0
freerdp freerdp 2.0.0
freerdp freerdp 2.0.0
canonical ubuntu_linux 18.04
canonical ubuntu_linux 18.10
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "FreeRDP",
          "vendor": "Check Point Software Technologies Ltd.",
          "versions": [
            {
              "status": "affected",
              "version": "All versions prior to 2.0.0-rc4"
            }
          ]
        }
      ],
      "source": "cve@checkpoint.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "matchCriteriaId": "FB13905B-B0E9-443E-B150-9D64E20DC464",
              "versionEndIncluding": "1.2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:freerdp:freerdp:2.0.0:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "F226993C-3AB8-4F86-8591-40CAAC8DD73E",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "985D90BF-3B2B-4A3C-B698-DBCB0241B95B",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "7C4656D2-EEC4-4871-BA0F-76F760526B1B",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
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              "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "07C312A0-CD2C-4B9C-B064-6409B25C278F",
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            }
          ],
          "negate": false,
          "operator": "OR"
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      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress_segment() 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 b\u00fafer basado en memoria din\u00e1mica (heap) en la funci\u00f3n zgfx_decompress_segment() que resulta en una corrupci\u00f3n de memoria y, probablemente, incluso en la ejecuci\u00f3n remota de c\u00f3digo."
    }
  ],
  "id": "CVE-2018-8784",
  "lastModified": "2026-06-17T02:05:22.860",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "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": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-11-29T18:29:00.803",
  "references": [
    {
      "source": "cve@checkpoint.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/106938"
    },
    {
      "source": "cve@checkpoint.com",
      "tags": [
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        "Vendor Advisory"
      ],
      "url": "https://github.com/FreeRDP/FreeRDP/commit/17c363a5162fd4dc77b1df54e48d7bd9bf6b3be7"
    },
    {
      "source": "cve@checkpoint.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/"
    },
    {
      "source": "cve@checkpoint.com",
      "tags": [
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      ],
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/106938"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "https://usn.ubuntu.com/3845-1/"
    }
  ],
  "sourceIdentifier": "cve@checkpoint.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "cve@checkpoint.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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