Vulnerability-Lookup

CNVD-2019-10286

Vulnerability from cnvd - Published: 2019-04-17

Title

UltraVNC越界访问漏洞（CNVD-2019-10286）

Description

UltraVNC是一款用于Windows平台的开源远程终端控制软件。Ultra2 decoder是其中的一个Ultra2解码器。 UltraVNC 1203版本中的Ultra2解码器的VNC客户端存在安全漏洞。攻击者可利用该漏洞执行代码（越界访问）。

Severity

高

Patch Name

UltraVNC越界访问漏洞（CNVD-2019-10286）的补丁

Patch Description

UltraVNC是一款用于Windows平台的开源远程终端控制软件。Ultra2 decoder是其中的一个Ultra2解码器。 UltraVNC 1203版本中的Ultra2解码器的VNC客户端存在安全漏洞。攻击者可利用该漏洞执行代码（越界访问）。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布漏洞修复程序，请及时关注更新： https://www.uvnc.com/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-8264

Impacted products

Name
UltraVNC UltraVNC 1203

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-8264"
    }
  },
  "description": "UltraVNC\u662f\u4e00\u6b3e\u7528\u4e8eWindows\u5e73\u53f0\u7684\u5f00\u6e90\u8fdc\u7a0b\u7ec8\u7aef\u63a7\u5236\u8f6f\u4ef6\u3002Ultra2 decoder\u662f\u5176\u4e2d\u7684\u4e00\u4e2aUltra2\u89e3\u7801\u5668\u3002\n\nUltraVNC 1203\u7248\u672c\u4e2d\u7684Ultra2\u89e3\u7801\u5668\u7684VNC\u5ba2\u6237\u7aef\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4ee3\u7801\uff08\u8d8a\u754c\u8bbf\u95ee\uff09\u3002",
  "discovererName": "unknwon",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.uvnc.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-10286",
  "openTime": "2019-04-17",
  "patchDescription": "UltraVNC\u662f\u4e00\u6b3e\u7528\u4e8eWindows\u5e73\u53f0\u7684\u5f00\u6e90\u8fdc\u7a0b\u7ec8\u7aef\u63a7\u5236\u8f6f\u4ef6\u3002Ultra2 decoder\u662f\u5176\u4e2d\u7684\u4e00\u4e2aUltra2\u89e3\u7801\u5668\u3002\r\n\r\nUltraVNC 1203\u7248\u672c\u4e2d\u7684Ultra2\u89e3\u7801\u5668\u7684VNC\u5ba2\u6237\u7aef\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4ee3\u7801\uff08\u8d8a\u754c\u8bbf\u95ee\uff09\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "UltraVNC\u8d8a\u754c\u8bbf\u95ee\u6f0f\u6d1e\uff08CNVD-2019-10286\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "UltraVNC UltraVNC 1203"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-8264",
  "serverity": "\u9ad8",
  "submitTime": "2019-03-11",
  "title": "UltraVNC\u8d8a\u754c\u8bbf\u95ee\u6f0f\u6d1e\uff08CNVD-2019-10286\uff09"
}

CVE-2019-8264 (GCVE-0-2019-8264)

Vulnerability from cvelistv5 – Published: 2019-03-09 00:00 – Updated: 2024-09-16 19:51

Summary

UltraVNC revision 1203 has out-of-bounds access vulnerability in VNC client inside Ultra2 decoder, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1204.

Severity

No CVSS data available.

CWE

CWE-788 - Access of Memory Location After End of Buffer

Assigner

Kaspersky mitre root

References

6 references

URL	Tags
https://ics-cert.kaspersky.com/advisories/klcert-…	x_refsource_MISC
https://cert-portal.siemens.com/productcert/pdf/s…	x_refsource_CONFIRM
https://www.us-cert.gov/ics/advisories/icsa-20-161-06	x_refsource_MISC
https://cert-portal.siemens.com/productcert/pdf/s…	x_refsource_CONFIRM
https://cert-portal.siemens.com/productcert/pdf/s…	x_refsource_CONFIRM
https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Kaspersky Lab	UltraVNC	Affected: 1.2.2.3

Date Public

2019-03-01 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T21:17:30.529Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-011-ultravnc-access-of-memory-location-after-end-of-buffer/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.us-cert.gov/ics/advisories/icsa-20-161-06"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "UltraVNC",
          "vendor": "Kaspersky Lab",
          "versions": [
            {
              "status": "affected",
              "version": "1.2.2.3"
            }
          ]
        }
      ],
      "datePublic": "2019-03-01T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "UltraVNC revision 1203 has out-of-bounds access vulnerability in VNC client inside Ultra2 decoder, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1204."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-788",
              "description": "CWE-788: Access of Memory Location After End of Buffer",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-06-28T11:55:37.000Z",
        "orgId": "e45d732a-8f6b-4b6b-be76-7420f6a2b988",
        "shortName": "Kaspersky"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-011-ultravnc-access-of-memory-location-after-end-of-buffer/"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.us-cert.gov/ics/advisories/icsa-20-161-06"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vulnerability@kaspersky.com",
          "DATE_PUBLIC": "2019-03-01T00:00:00",
          "ID": "CVE-2019-8264",
          "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 1203 has out-of-bounds access vulnerability in VNC client inside Ultra2 decoder, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1204."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-788: Access of Memory Location After End of Buffer"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-011-ultravnc-access-of-memory-location-after-end-of-buffer/",
              "refsource": "MISC",
              "url": "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-011-ultravnc-access-of-memory-location-after-end-of-buffer/"
            },
            {
              "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"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "e45d732a-8f6b-4b6b-be76-7420f6a2b988",
    "assignerShortName": "Kaspersky",
    "cveId": "CVE-2019-8264",
    "datePublished": "2019-03-09T00:00:00.000Z",
    "dateReserved": "2019-02-12T00:00:00.000Z",
    "dateUpdated": "2024-09-16T19:51:49.467Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CNVD-2019-10286

CVE-2019-8264 (GCVE-0-2019-8264)

Tags

Sightings

Nomenclature

Related by attack behaviour