gsd-2019-8263
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
UltraVNC revision 1205 has stack-based buffer overflow vulnerability in VNC client code inside ShowConnInfo routine, which leads to a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. User interaction is required to trigger this vulnerability. This vulnerability has been fixed in revision 1206.
Aliases
Aliases
CVE-2019-8263


To clipboard 

{
  "GSD": {
    "alias": "CVE-2019-8263",
    "description": "UltraVNC revision 1205 has stack-based buffer overflow vulnerability in VNC client code inside ShowConnInfo routine, which leads to a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. User interaction is required to trigger this vulnerability. This vulnerability has been fixed in revision 1206.",
    "id": "GSD-2019-8263"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2019-8263"
      ],
      "details": "UltraVNC revision 1205 has stack-based buffer overflow vulnerability in VNC client code inside ShowConnInfo routine, which leads to a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. User interaction is required to trigger this vulnerability. This vulnerability has been fixed in revision 1206.",
      "id": "GSD-2019-8263",
      "modified": "2023-12-13T01:23:48.403038Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "vulnerability@kaspersky.com",
        "DATE_PUBLIC": "2019-03-01T00:00:00",
        "ID": "CVE-2019-8263",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "UltraVNC",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "1.2.2.3"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Kaspersky Lab"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "UltraVNC revision 1205 has stack-based buffer overflow vulnerability in VNC client code inside ShowConnInfo routine, which leads to a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. User interaction is required to trigger this vulnerability. This vulnerability has been fixed in revision 1206."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-121: Stack-based Buffer Overflow"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-009-ultravnc-access-of-memory-location-after-end-of-buffer/",
            "refsource": "MISC",
            "url": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-009-ultravnc-access-of-memory-location-after-end-of-buffer/"
          },
          {
            "name": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-010-ultravnc-stack-based-buffer-overflow/",
            "refsource": "MISC",
            "url": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-010-ultravnc-stack-based-buffer-overflow/"
          },
          {
            "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf",
            "refsource": "CONFIRM",
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf"
          },
          {
            "name": "https://www.us-cert.gov/ics/advisories/icsa-20-161-06",
            "refsource": "MISC",
            "url": "https://www.us-cert.gov/ics/advisories/icsa-20-161-06"
          },
          {
            "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf",
            "refsource": "CONFIRM",
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf"
          },
          {
            "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf",
            "refsource": "CONFIRM",
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf"
          },
          {
            "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11",
            "refsource": "MISC",
            "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:uvnc:ultravnc:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "1.2.2.3",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:siemens:sinumerik_access_mymachine\\/p2p:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "4.8",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:siemens:sinumerik_pcu_base_win10_software\\/ipc:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "14.00",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:siemens:sinumerik_pcu_base_win7_software\\/ipc:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "12.01",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "vulnerability@kaspersky.com",
          "ID": "CVE-2019-8263"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "UltraVNC revision 1205 has stack-based buffer overflow vulnerability in VNC client code inside ShowConnInfo routine, which leads to a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. User interaction is required to trigger this vulnerability. This vulnerability has been fixed in revision 1206."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-787"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-010-ultravnc-stack-based-buffer-overflow/",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-010-ultravnc-stack-based-buffer-overflow/"
            },
            {
              "name": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-009-ultravnc-access-of-memory-location-after-end-of-buffer/",
              "refsource": "MISC",
              "tags": [
                "Not Applicable",
                "Third Party Advisory"
              ],
              "url": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-009-ultravnc-access-of-memory-location-after-end-of-buffer/"
            },
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf",
              "refsource": "CONFIRM",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf"
            },
            {
              "name": "https://www.us-cert.gov/ics/advisories/icsa-20-161-06",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory",
                "US Government Resource"
              ],
              "url": "https://www.us-cert.gov/ics/advisories/icsa-20-161-06"
            },
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf"
            },
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf"
            },
            {
              "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11",
              "refsource": "MISC",
              "tags": [],
              "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.3,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2021-06-28T12:15Z",
      "publishedDate": "2019-03-05T15:29Z"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.