FKIE_CVE-2019-8273

Vulnerability from fkie_nvd - Published: 2019-03-08 23:29 - Updated: 2024-11-21 04:49
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
UltraVNC revision 1211 has a heap buffer overflow vulnerability in VNC server code inside file transfer request handler, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1212.
References
vulnerability@kaspersky.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdfThird Party Advisory
vulnerability@kaspersky.comhttps://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-020-ultravnc-heap-based-buffer-overflow/Third Party Advisory
vulnerability@kaspersky.comhttps://www.us-cert.gov/ics/advisories/icsa-20-161-06Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdfThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-020-ultravnc-heap-based-buffer-overflow/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.us-cert.gov/ics/advisories/icsa-20-161-06Third Party Advisory, US Government Resource
Impacted products
Vendor Product Version
uvnc ultravnc *
siemens sinumerik_access_mymachine\/p2p *
siemens sinumerik_pcu_base_win10_software\/ipc *
siemens sinumerik_pcu_base_win7_software\/ipc *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:uvnc:ultravnc:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "555D034F-3D64-4ED1-9B63-F8D59199E99C",
              "versionEndExcluding": "1.2.2.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:siemens:sinumerik_access_mymachine\\/p2p:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D9345335-DF62-4472-93CD-E2C85453F91E",
              "versionEndExcluding": "4.8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:siemens:sinumerik_pcu_base_win10_software\\/ipc:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7498412D-79FD-43FE-AD9B-5820FB5CF7D8",
              "versionEndExcluding": "14.00",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:siemens:sinumerik_pcu_base_win7_software\\/ipc:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1F603341-03C5-46CA-8A74-EC5A50135194",
              "versionEndIncluding": "12.01",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "UltraVNC revision 1211 has a heap buffer overflow vulnerability in VNC server code inside file transfer request handler, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1212."
    },
    {
      "lang": "es",
      "value": "UltraVNX, en su revisi\u00f3n 1211, tiene una vulnerabilidad de desbordamiento de b\u00fafer basado en memoria din\u00e1mica (heap) en el c\u00f3digo del servidor VNC dentro de un manipulador de peticiones de trasferencia de archivos, lo que podr\u00eda resultar en, potencialmente, la ejecuci\u00f3n de c\u00f3digo. Este ataque parece ser explotable mediante la conectividad de red. Esta vulnerabilidad se ha solucionado en la revisi\u00f3n 1212."
    }
  ],
  "id": "CVE-2019-8273",
  "lastModified": "2024-11-21T04:49:37.573",
  "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": "2019-03-08T23:29:00.827",
  "references": [
    {
      "source": "vulnerability@kaspersky.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf"
    },
    {
      "source": "vulnerability@kaspersky.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-020-ultravnc-heap-based-buffer-overflow/"
    },
    {
      "source": "vulnerability@kaspersky.com",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://www.us-cert.gov/ics/advisories/icsa-20-161-06"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-020-ultravnc-heap-based-buffer-overflow/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://www.us-cert.gov/ics/advisories/icsa-20-161-06"
    }
  ],
  "sourceIdentifier": "vulnerability@kaspersky.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-122"
        }
      ],
      "source": "vulnerability@kaspersky.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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 observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.