Vulnerability-Lookup

CNVD-2018-25879

Vulnerability from cnvd - Published: 2018-12-19

Title

Webroot BrightCloud SDK缓冲区溢出漏洞

Description

Webroot BrightCloud SDK是美国Webroot公司的一套用于检测网站安全的SDK（软件开发工具包）。 Webroot BrightCloud SDK中的HTTP报头解析函数存在缓冲区溢出漏洞，该漏洞源于‘bc_http_read_header’函数未能正确的处理了过长的报头。攻击者可通过冒充远程BrightCloud服务器利用该漏洞执行任意的代码。

Severity

高

Patch Name

Webroot BrightCloud SDK缓冲区溢出漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页： https://www.brightcloud.com/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-4012

Impacted products

Name
Webroot BrightCloud SDK 无

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-4012",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4012"
    }
  },
  "description": "Webroot BrightCloud SDK\u662f\u7f8e\u56fdWebroot\u516c\u53f8\u7684\u4e00\u5957\u7528\u4e8e\u68c0\u6d4b\u7f51\u7ad9\u5b89\u5168\u7684SDK\uff08\u8f6f\u4ef6\u5f00\u53d1\u5de5\u5177\u5305\uff09\u3002\n\nWebroot BrightCloud SDK\u4e2d\u7684HTTP\u62a5\u5934\u89e3\u6790\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u2018bc_http_read_header\u2019\u51fd\u6570\u672a\u80fd\u6b63\u786e\u7684\u5904\u7406\u4e86\u8fc7\u957f\u7684\u62a5\u5934\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5192\u5145\u8fdc\u7a0bBrightCloud\u670d\u52a1\u5668\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u7684\u4ee3\u7801\u3002",
  "discovererName": "Claudio Bozzato of Cisco Talos.",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://www.brightcloud.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-25879",
  "openTime": "2018-12-19",
  "patchDescription": "Webroot BrightCloud SDK\u662f\u7f8e\u56fdWebroot\u516c\u53f8\u7684\u4e00\u5957\u7528\u4e8e\u68c0\u6d4b\u7f51\u7ad9\u5b89\u5168\u7684SDK\uff08\u8f6f\u4ef6\u5f00\u53d1\u5de5\u5177\u5305\uff09\u3002\r\n\r\nWebroot BrightCloud SDK\u4e2d\u7684HTTP\u62a5\u5934\u89e3\u6790\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u2018bc_http_read_header\u2019\u51fd\u6570\u672a\u80fd\u6b63\u786e\u7684\u5904\u7406\u4e86\u8fc7\u957f\u7684\u62a5\u5934\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5192\u5145\u8fdc\u7a0bBrightCloud\u670d\u52a1\u5668\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u7684\u4ee3\u7801\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": "Webroot BrightCloud SDK\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Webroot BrightCloud SDK \u65e0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-4012",
  "serverity": "\u9ad8",
  "submitTime": "2018-12-19",
  "title": "Webroot BrightCloud SDK\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2018-4012 (GCVE-0-2018-4012)

Vulnerability from cvelistv5 – Published: 2019-01-03 23:00 – Updated: 2024-08-05 04:57

Summary

An exploitable buffer overflow vulnerability exists in the HTTP header-parsing function of the Webroot BrightCloud SDK. The function bc_http_read_header incorrectly handles overlong headers, leading to arbitrary code execution. An unauthenticated attacker could impersonate a remote BrightCloud server to trigger this vulnerability.

Severity ?

9 (Critical)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CWE

buffer overflow

Assigner

talos

References

URL

Tags

https://www.talosintelligence.com/vulnerability_r…

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	Webroot	Affected: Webroot BrightCloud SDK

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T04:57:24.532Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0683"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Webroot",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Webroot BrightCloud SDK"
            }
          ]
        }
      ],
      "datePublic": "2019-01-03T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "An exploitable buffer overflow vulnerability exists in the HTTP header-parsing function of the Webroot BrightCloud SDK. The function bc_http_read_header incorrectly handles overlong headers, leading to arbitrary code execution. An unauthenticated attacker could impersonate a remote BrightCloud server to trigger this vulnerability."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "buffer overflow",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-04-19T18:08:06.000Z",
        "orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
        "shortName": "talos"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0683"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "talos-cna@cisco.com",
          "ID": "CVE-2018-4012",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Webroot",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Webroot BrightCloud SDK"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An exploitable buffer overflow vulnerability exists in the HTTP header-parsing function of the Webroot BrightCloud SDK. The function bc_http_read_header incorrectly handles overlong headers, leading to arbitrary code execution. An unauthenticated attacker could impersonate a remote BrightCloud server to trigger this vulnerability."
            }
          ]
        },
        "impact": {
          "cvss": {
            "baseScore": 9,
            "baseSeverity": "Critical",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "buffer overflow"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0683",
              "refsource": "MISC",
              "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0683"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b",
    "assignerShortName": "talos",
    "cveId": "CVE-2018-4012",
    "datePublished": "2019-01-03T23:00:00.000Z",
    "dateReserved": "2018-01-02T00:00:00.000Z",
    "dateUpdated": "2024-08-05T04:57:24.532Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Action not permitted

CNVD-2018-25879

CVE-2018-4012 (GCVE-0-2018-4012)

Tags

Sightings

Nomenclature