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FKIE_CVE-2018-8793

Vulnerability from fkie_nvd - Published: 2019-02-05 20:29 - Updated: 2026-06-17 02:05
Summary
rdesktop versions up to and including v1.8.3 contain a Heap-Based Buffer Overflow in function cssp_read_tsrequest() that results in a memory corruption and probably even a remote code execution.
References
cve@checkpoint.comhttp://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.htmlMailing List, Third Party Advisory
cve@checkpoint.comhttp://www.securityfocus.com/bid/106938Third Party Advisory, VDB Entry
cve@checkpoint.comhttps://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1Patch, Third Party Advisory
cve@checkpoint.comhttps://lists.debian.org/debian-lts-announce/2019/02/msg00030.htmlMailing List, Third Party Advisory
cve@checkpoint.comhttps://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/Third Party Advisory
cve@checkpoint.comhttps://security.gentoo.org/glsa/201903-06Third Party Advisory
cve@checkpoint.comhttps://www.debian.org/security/2019/dsa-4394Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/106938Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/02/msg00030.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201903-06Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2019/dsa-4394Third Party Advisory
Impacted products
Vendor Product Version
rdesktop rdesktop *
debian debian_linux 8.0
debian debian_linux 9.0
opensuse leap 15.1

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "rdesktop",
          "vendor": "Check Point Software Technologies Ltd.",
          "versions": [
            {
              "status": "affected",
              "version": "All versions up to and including v1.8.3"
            }
          ]
        }
      ],
      "source": "cve@checkpoint.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:rdesktop:rdesktop:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "223ED7FC-79EF-4324-82AE-D3794128C7A3",
              "versionEndIncluding": "1.8.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "rdesktop versions up to and including v1.8.3 contain a Heap-Based Buffer Overflow in function cssp_read_tsrequest() that results in a memory corruption and probably even a remote code execution."
    },
    {
      "lang": "es",
      "value": "Las versiones de rdesktop, hasta la v1.8.3 (inclusivas), contienen un desbordamiento de b\u00fafer basado en memoria din\u00e1mica (heap) en la funci\u00f3n cssp_read_tsrequest(), lo que podr\u00eda resultar en una corrupci\u00f3n de memoria o incluso una ejecuci\u00f3n remota de c\u00f3digo."
    }
  ],
  "id": "CVE-2018-8793",
  "lastModified": "2026-06-17T02:05:24.080",
  "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": "2019-02-05T20:29:00.447",
  "references": [
    {
      "source": "cve@checkpoint.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html"
    },
    {
      "source": "cve@checkpoint.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/106938"
    },
    {
      "source": "cve@checkpoint.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1"
    },
    {
      "source": "cve@checkpoint.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2019/02/msg00030.html"
    },
    {
      "source": "cve@checkpoint.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/"
    },
    {
      "source": "cve@checkpoint.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.gentoo.org/glsa/201903-06"
    },
    {
      "source": "cve@checkpoint.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.debian.org/security/2019/dsa-4394"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/106938"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2019/02/msg00030.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.gentoo.org/glsa/201903-06"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.debian.org/security/2019/dsa-4394"
    }
  ],
  "sourceIdentifier": "cve@checkpoint.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-122"
        }
      ],
      "source": "cve@checkpoint.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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