Vulnerability-Lookup

CNVD-2019-45019

Vulnerability from cnvd - Published: 2019-12-12

Title

McAfee Client Proxy身份验证绕过漏洞

Description

McAfee Client Proxy（MCP）是美国迈克菲（McAfee）公司的一款McAfee Web Protection Web安全解决方案中的客户端代理程序。 McAfee MCP 3.0.0之前版本（Windows）中的存在身份验证绕过漏洞。攻击者可利用该漏洞绕过网络流量扫描并访问被限制的网站。

Severity

中

Patch Name

McAfee Client Proxy身份验证绕过漏洞的补丁

Patch Description

McAfee Client Proxy（MCP）是美国迈克菲（McAfee）公司的一款McAfee Web Protection Web安全解决方案中的客户端代理程序。 McAfee MCP 3.0.0之前版本（Windows）中的存在身份验证绕过漏洞。攻击者可利用该漏洞绕过网络流量扫描并访问被限制的网站。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://kc.mcafee.com/corporate/index?page=content&id=SB10305

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-3654

Impacted products

Name
McAfee McAfee Client Proxy（MCP） <3.0.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-3654"
    }
  },
  "description": "McAfee Client Proxy\uff08MCP\uff09\u662f\u7f8e\u56fd\u8fc8\u514b\u83f2\uff08McAfee\uff09\u516c\u53f8\u7684\u4e00\u6b3eMcAfee Web Protection Web\u5b89\u5168\u89e3\u51b3\u65b9\u6848\u4e2d\u7684\u5ba2\u6237\u7aef\u4ee3\u7406\u7a0b\u5e8f\u3002\n\nMcAfee MCP 3.0.0\u4e4b\u524d\u7248\u672c\uff08Windows\uff09\u4e2d\u7684\u5b58\u5728\u8eab\u4efd\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u7f51\u7edc\u6d41\u91cf\u626b\u63cf\u5e76\u8bbf\u95ee\u88ab\u9650\u5236\u7684\u7f51\u7ad9\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://kc.mcafee.com/corporate/index?page=content\u0026id=SB10305",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-45019",
  "openTime": "2019-12-12",
  "patchDescription": "McAfee Client Proxy\uff08MCP\uff09\u662f\u7f8e\u56fd\u8fc8\u514b\u83f2\uff08McAfee\uff09\u516c\u53f8\u7684\u4e00\u6b3eMcAfee Web Protection Web\u5b89\u5168\u89e3\u51b3\u65b9\u6848\u4e2d\u7684\u5ba2\u6237\u7aef\u4ee3\u7406\u7a0b\u5e8f\u3002\r\n\r\nMcAfee MCP 3.0.0\u4e4b\u524d\u7248\u672c\uff08Windows\uff09\u4e2d\u7684\u5b58\u5728\u8eab\u4efd\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u7f51\u7edc\u6d41\u91cf\u626b\u63cf\u5e76\u8bbf\u95ee\u88ab\u9650\u5236\u7684\u7f51\u7ad9\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": "McAfee Client Proxy\u8eab\u4efd\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "McAfee McAfee Client Proxy\uff08MCP\uff09 \u003c3.0.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-3654",
  "serverity": "\u4e2d",
  "submitTime": "2019-11-25",
  "title": "McAfee Client Proxy\u8eab\u4efd\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2019-3654 (GCVE-0-2019-3654)

Vulnerability from cvelistv5 – Published: 2019-11-22 19:56 – Updated: 2024-08-04 19:12

Title

Client Proxy (MCP) - Authentication Bypass vulnerability

Summary

Authentication Bypass vulnerability in the Microsoft Windows client in McAfee Client Proxy (MCP) prior to 3.0.0 allows local user to bypass scanning of web traffic and gain access to blocked sites for a short period of time via generating an authorization key on the client which should only be generated by the network administrator.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:H

CWE

Authentication Bypass vulnerability

Assigner

trellix mitre root

References

1 reference

URL	Tags
https://kc.mcafee.com/corporate/index?page=conten…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
McAfee	Client Proxy (MCP)	Affected: unspecified , < 3.0.0 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T19:12:09.712Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10305"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Client Proxy (MCP)",
          "vendor": "McAfee",
          "versions": [
            {
              "lessThan": "3.0.0",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Authentication Bypass vulnerability in the Microsoft Windows client in McAfee Client Proxy (MCP) prior to 3.0.0 allows local user to bypass scanning of web traffic and gain access to blocked sites for a short period of time via generating an authorization key on the client which should only be generated by the network administrator."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Authentication Bypass vulnerability",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-11-22T19:56:10.000Z",
        "orgId": "01626437-bf8f-4d1c-912a-893b5eb04808",
        "shortName": "trellix"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10305"
        }
      ],
      "source": {
        "advisory": "SB10305",
        "discovery": "EXTERNAL"
      },
      "title": "Client Proxy (MCP) - Authentication Bypass vulnerability",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@mcafee.com",
          "ID": "CVE-2019-3654",
          "STATE": "PUBLIC",
          "TITLE": "Client Proxy (MCP) - Authentication Bypass vulnerability"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Client Proxy (MCP)",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "3.0.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "McAfee"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Authentication Bypass vulnerability in the Microsoft Windows client in McAfee Client Proxy (MCP) prior to 3.0.0 allows local user to bypass scanning of web traffic and gain access to blocked sites for a short period of time via generating an authorization key on the client which should only be generated by the network administrator."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Authentication Bypass vulnerability"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10305",
              "refsource": "MISC",
              "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10305"
            }
          ]
        },
        "source": {
          "advisory": "SB10305",
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "01626437-bf8f-4d1c-912a-893b5eb04808",
    "assignerShortName": "trellix",
    "cveId": "CVE-2019-3654",
    "datePublished": "2019-11-22T19:56:10.000Z",
    "dateReserved": "2019-01-03T00:00:00.000Z",
    "dateUpdated": "2024-08-04T19:12:09.712Z",
    "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.

Detection rules are retrieved from Rulezet.

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.