cnvd - cnvd-2020-23237

CNVD-2020-23237

Vulnerability from cnvd - Published: 2020-04-17

Title

Dell Latitude 7202 Rugged Tablet BIOS资源管理错误漏洞

Description

Dell Latitude 7202 Rugged Tablet BIOS是美国戴尔（Dell）公司的一款用于Dell Latitude 7202平板电脑的基本输入输出系统（BIOS）。 Dell Latitude 7202 Rugged Tablet BIOS A28之前版本中系统管理模式下的EFI_BOOT_SERVICES存在资源管理错误漏洞。攻击者可通过覆盖EFI_BOOT_SERVICES结构利用该漏洞在系统管理模式下执行任意代码。

Severity

高

Patch Name

Dell Latitude 7202 Rugged Tablet BIOS资源管理错误漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://www.dell.com/support/article/zh-cn/sln320792/dsa-2020-073-dell-latitude-7202-rugged-tablet-use-after-free-vulnerability?lang=en

Impacted products

Name
Dell Latitude 7202 Rugged Tablet BIOS <A28

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-5348"
    }
  },
  "description": "Dell Latitude 7202 Rugged Tablet BIOS\u662f\u7f8e\u56fd\u6234\u5c14\uff08Dell\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u7528\u4e8eDell Latitude 7202\u5e73\u677f\u7535\u8111\u7684\u57fa\u672c\u8f93\u5165\u8f93\u51fa\u7cfb\u7edf\uff08BIOS\uff09\u3002\n\nDell Latitude 7202 Rugged Tablet BIOS A28\u4e4b\u524d\u7248\u672c\u4e2d\u7cfb\u7edf\u7ba1\u7406\u6a21\u5f0f\u4e0b\u7684EFI_BOOT_SERVICES\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8986\u76d6EFI_BOOT_SERVICES\u7ed3\u6784\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7cfb\u7edf\u7ba1\u7406\u6a21\u5f0f\u4e0b\u6267\u884c\u4efb\u610f\u4ee3\u7801\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://www.dell.com/support/article/zh-cn/sln320792/dsa-2020-073-dell-latitude-7202-rugged-tablet-use-after-free-vulnerability?lang=en",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-23237",
  "openTime": "2020-04-17",
  "patchDescription": "Dell Latitude 7202 Rugged Tablet BIOS\u662f\u7f8e\u56fd\u6234\u5c14\uff08Dell\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u7528\u4e8eDell Latitude 7202\u5e73\u677f\u7535\u8111\u7684\u57fa\u672c\u8f93\u5165\u8f93\u51fa\u7cfb\u7edf\uff08BIOS\uff09\u3002\r\n\r\nDell Latitude 7202 Rugged Tablet BIOS A28\u4e4b\u524d\u7248\u672c\u4e2d\u7cfb\u7edf\u7ba1\u7406\u6a21\u5f0f\u4e0b\u7684EFI_BOOT_SERVICES\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8986\u76d6EFI_BOOT_SERVICES\u7ed3\u6784\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7cfb\u7edf\u7ba1\u7406\u6a21\u5f0f\u4e0b\u6267\u884c\u4efb\u610f\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": "Dell Latitude 7202 Rugged Tablet BIOS\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Dell Latitude 7202 Rugged Tablet BIOS \u003cA28"
  },
  "serverity": "\u9ad8",
  "submitTime": "2020-04-07",
  "title": "Dell Latitude 7202 Rugged Tablet BIOS\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2020-5348 (GCVE-0-2020-5348)

Vulnerability from cvelistv5 – Published: 2020-04-03 23:20 – Updated: 2024-09-17 03:02

Summary

Dell Latitude 7202 Rugged Tablet BIOS versions prior to A28 contain a UAF vulnerability in EFI_BOOT_SERVICES in system management mode. A local unauthenticated attacker may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in system management mode.

Severity ?

6.8 (Medium)


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

CWE

CWE-416 - Use After Free

Assigner

dell

References

URL

Tags

https://www.dell.com/support/article/SLN320792

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Dell	CPG BIOS	Affected: unspecified , < A28 (custom)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T08:30:23.351Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.dell.com/support/article/SLN320792"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "CPG BIOS",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "A28",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2020-04-03T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "Dell Latitude 7202 Rugged Tablet BIOS versions prior to A28 contain a UAF vulnerability in EFI_BOOT_SERVICES in system management mode. A local unauthenticated attacker may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in system management mode."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-416",
              "description": "CWE-416: Use After Free",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-04-03T23:20:14",
        "orgId": "c550e75a-17ff-4988-97f0-544cde3820fe",
        "shortName": "dell"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.dell.com/support/article/SLN320792"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secure@dell.com",
          "DATE_PUBLIC": "2020-04-03",
          "ID": "CVE-2020-5348",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "CPG BIOS",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "A28"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Dell"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            }
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        "impact": {
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            "baseSeverity": "Medium",
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        "problemtype": {
          "problemtype_data": [
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              "description": [
                {
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                  "value": "CWE-416: Use After Free"
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.dell.com/support/article/SLN320792",
              "refsource": "MISC",
              "url": "https://www.dell.com/support/article/SLN320792"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "c550e75a-17ff-4988-97f0-544cde3820fe",
    "assignerShortName": "dell",
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    "datePublished": "2020-04-03T23:20:14.488798Z",
    "dateReserved": "2020-01-03T00:00:00",
    "dateUpdated": "2024-09-17T03:02:11.254Z",
    "state": "PUBLISHED"
  },
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}

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-2020-23237

CVE-2020-5348 (GCVE-0-2020-5348)

Tags

Sightings

Nomenclature