cnvd - cnvd-2019-44747

cnvd-2019-44747

Vulnerability from cnvd

Title: 多款Lenovo产品权限许可和访问控制问题漏洞

Description:

Lenovo ThinkPad 10 20E3等都是中国联想（Lenovo）公司的产品。Lenovo ThinkPad 10 20E3是一款平板电脑。ThinkPad 10 20E4是一款平板电脑。ThinkPad 13 (KBL) 20J1是一款笔记本电脑。

多款Lenovo产品中的系统存在权限许可和访问控制问题漏洞，攻击者可利用该漏洞使用未签名的固件更新Embedded Controller。

Severity: 高

Patch Name: 多款Lenovo产品权限许可和访问控制问题漏洞的补丁

Patch Description:

多款Lenovo产品中的系统存在权限许可和访问控制问题漏洞，攻击者可利用该漏洞使用未签名的固件更新Embedded Controller。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:

厂商已发布了漏洞修复程序，请及时关注更新： https://support.lenovo.com/us/zh/product_security/len-27764

Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-6171

Impacted products

Name
['Lenovo ThinkPad 10 20E3', 'Lenovo ThinkPad 10 20E4', 'Lenovo ThinkPad 13 (KBL) 20J1', 'Lenovo ThinkPad 13 (KBL) 20J2', 'Lenovo Thinkpad A275 20KC', 'Lenovo Thinkpad 20KD']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-6171"
    }
  },
  "description": "Lenovo ThinkPad 10 20E3\u7b49\u90fd\u662f\u4e2d\u56fd\u8054\u60f3\uff08Lenovo\uff09\u516c\u53f8\u7684\u4ea7\u54c1\u3002Lenovo ThinkPad 10 20E3\u662f\u4e00\u6b3e\u5e73\u677f\u7535\u8111\u3002ThinkPad 10 20E4\u662f\u4e00\u6b3e\u5e73\u677f\u7535\u8111\u3002ThinkPad 13 (KBL) 20J1\u662f\u4e00\u6b3e\u7b14\u8bb0\u672c\u7535\u8111\u3002\n\n\u591a\u6b3eLenovo\u4ea7\u54c1\u4e2d\u7684\u7cfb\u7edf\u5b58\u5728\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7528\u672a\u7b7e\u540d\u7684\u56fa\u4ef6\u66f4\u65b0Embedded Controller\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://support.lenovo.com/us/zh/product_security/len-27764",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-44747",
  "openTime": "2019-12-11",
  "patchDescription": "Lenovo ThinkPad 10 20E3\u7b49\u90fd\u662f\u4e2d\u56fd\u8054\u60f3\uff08Lenovo\uff09\u516c\u53f8\u7684\u4ea7\u54c1\u3002Lenovo ThinkPad 10 20E3\u662f\u4e00\u6b3e\u5e73\u677f\u7535\u8111\u3002ThinkPad 10 20E4\u662f\u4e00\u6b3e\u5e73\u677f\u7535\u8111\u3002ThinkPad 13 (KBL) 20J1\u662f\u4e00\u6b3e\u7b14\u8bb0\u672c\u7535\u8111\u3002\r\n\r\n\u591a\u6b3eLenovo\u4ea7\u54c1\u4e2d\u7684\u7cfb\u7edf\u5b58\u5728\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7528\u672a\u7b7e\u540d\u7684\u56fa\u4ef6\u66f4\u65b0Embedded Controller\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": "\u591a\u6b3eLenovo\u4ea7\u54c1\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Lenovo ThinkPad 10 20E3",
      "Lenovo ThinkPad 10 20E4",
      "Lenovo ThinkPad 13 (KBL) 20J1",
      "Lenovo ThinkPad 13 (KBL) 20J2",
      "Lenovo Thinkpad A275 20KC",
      "Lenovo Thinkpad 20KD"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-6171",
  "serverity": "\u9ad8",
  "submitTime": "2019-08-08",
  "title": "\u591a\u6b3eLenovo\u4ea7\u54c1\u6743\u9650\u8bb8\u53ef\u548c\u8bbf\u95ee\u63a7\u5236\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2019-6171 (GCVE-0-2019-6171)

Vulnerability from cvelistv5

Published

2019-08-19 14:56

Modified

2024-09-16 20:03

Severity ?

6.4 (Medium) - CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

Privilege escalation

Summary

A vulnerability was reported in various BIOS versions of older ThinkPad systems that could allow a user with administrative privileges or physical access the ability to update the Embedded Controller with unsigned firmware.

References

▼	URL	Tags
	https://support.lenovo.com/solutions/LEN-27764	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Lenovo	BIOS	Version: various

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T20:16:24.550Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://support.lenovo.com/solutions/LEN-27764"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "BIOS",
          "vendor": "Lenovo",
          "versions": [
            {
              "status": "affected",
              "version": "various"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Lenovo would like to thank Alex Matrosov and Alexandre Gazet for reporting this issue."
        }
      ],
      "datePublic": "2019-08-08T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was reported in various BIOS versions of older ThinkPad systems that could allow a user with administrative privileges or physical access the ability to update the Embedded Controller with unsigned firmware."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "HIGH",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Privilege escalation",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-08-19T14:56:45",
        "orgId": "da227ddf-6e25-4b41-b023-0f976dcaca4b",
        "shortName": "lenovo"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://support.lenovo.com/solutions/LEN-27764"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Update to the version of BIOS (or later) described for your system in the Product Impact section of LEN-27764."
        }
      ],
      "source": {
        "advisory": "LEN-27764",
        "discovery": "UNKNOWN"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@lenovo.com",
          "DATE_PUBLIC": "2019-08-08T20:00:00.000Z",
          "ID": "CVE-2019-6171",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "BIOS",
                      "version": {
                        "version_data": [
                          {
                            "affected": "=",
                            "version_affected": "=",
                            "version_value": "various"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Lenovo"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Lenovo would like to thank Alex Matrosov and Alexandre Gazet for reporting this issue."
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability was reported in various BIOS versions of older ThinkPad systems that could allow a user with administrative privileges or physical access the ability to update the Embedded Controller with unsigned firmware."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Privilege escalation"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://support.lenovo.com/solutions/LEN-27764",
              "refsource": "MISC",
              "url": "https://support.lenovo.com/solutions/LEN-27764"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "Update to the version of BIOS (or later) described for your system in the Product Impact section of LEN-27764."
          }
        ],
        "source": {
          "advisory": "LEN-27764",
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "da227ddf-6e25-4b41-b023-0f976dcaca4b",
    "assignerShortName": "lenovo",
    "cveId": "CVE-2019-6171",
    "datePublished": "2019-08-19T14:56:45.041686Z",
    "dateReserved": "2019-01-11T00:00:00",
    "dateUpdated": "2024-09-16T20:03:17.346Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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