cnvd - cnvd-2023-08767

cnvd-2023-08767

Vulnerability from cnvd

Title: Dell BIOS输入验证错误漏洞（CNVD-2023-08767）

Description:

Dell BIOS是美国戴尔（Dell）公司的一个计算机主板上小型内存芯片上的嵌入式软件。

Dell BIOS存在输入验证错误漏洞，该漏洞源于包含不正确的空字节中和，本地经过身份验证的管理员攻击者可利用漏洞通过发送意外的空字节来读取系统上的内存。

Severity: 低

Patch Name: Dell BIOS输入验证错误漏洞（CNVD-2023-08767）的补丁

Patch Description:

Dell BIOS是美国戴尔（Dell）公司的一个计算机主板上小型内存芯片上的嵌入式软件。

Dell BIOS存在输入验证错误漏洞，该漏洞源于包含不正确的空字节中和，本地经过身份验证的管理员攻击者可利用漏洞通过发送意外的空字节来读取系统上的内存。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://www.dell.com/support/kbdoc/en-us/000202196/dsa-2022-144-dell-client-security-update-for-dell-client-bios

Reference: https://www.dell.com/support/kbdoc/000202196

Impacted products

Name
DELL Dell BIOS

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-31223",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-31223"
    }
  },
  "description": "Dell BIOS\u662f\u7f8e\u56fd\u6234\u5c14\uff08Dell\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u8ba1\u7b97\u673a\u4e3b\u677f\u4e0a\u5c0f\u578b\u5185\u5b58\u82af\u7247\u4e0a\u7684\u5d4c\u5165\u5f0f\u8f6f\u4ef6\u3002\n\nDell BIOS\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5305\u542b\u4e0d\u6b63\u786e\u7684\u7a7a\u5b57\u8282\u4e2d\u548c\uff0c\u672c\u5730\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u7ba1\u7406\u5458\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u901a\u8fc7\u53d1\u9001\u610f\u5916\u7684\u7a7a\u5b57\u8282\u6765\u8bfb\u53d6\u7cfb\u7edf\u4e0a\u7684\u5185\u5b58\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/kbdoc/en-us/000202196/dsa-2022-144-dell-client-security-update-for-dell-client-bios",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2023-08767",
  "openTime": "2023-02-14",
  "patchDescription": "Dell BIOS\u662f\u7f8e\u56fd\u6234\u5c14\uff08Dell\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u8ba1\u7b97\u673a\u4e3b\u677f\u4e0a\u5c0f\u578b\u5185\u5b58\u82af\u7247\u4e0a\u7684\u5d4c\u5165\u5f0f\u8f6f\u4ef6\u3002\r\n\r\nDell BIOS\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5305\u542b\u4e0d\u6b63\u786e\u7684\u7a7a\u5b57\u8282\u4e2d\u548c\uff0c\u672c\u5730\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u7ba1\u7406\u5458\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u901a\u8fc7\u53d1\u9001\u610f\u5916\u7684\u7a7a\u5b57\u8282\u6765\u8bfb\u53d6\u7cfb\u7edf\u4e0a\u7684\u5185\u5b58\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 BIOS\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2023-08767\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "DELL Dell BIOS"
  },
  "referenceLink": "https://www.dell.com/support/kbdoc/000202196",
  "serverity": "\u4f4e",
  "submitTime": "2022-09-15",
  "title": "Dell BIOS\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2023-08767\uff09"
}

CVE-2022-31223 (GCVE-0-2022-31223)

Vulnerability from cvelistv5

Published

2022-09-12 18:35

Modified

2024-09-16 22:36

Severity ?

2.3 (Low) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

CWE

CWE-158 - Improper Neutralization of Null Byte or NUL Character

Summary

Dell BIOS versions contain an Improper Neutralization of Null Byte vulnerability. A local authenticated administrator user could potentially exploit this vulnerability by sending unexpected null bytes in order to read memory on the system.

References

▼	URL	Tags
	https://www.dell.com/support/kbdoc/000202196	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Dell	CPG BIOS	Version: unspecified < 21Q4 platforms

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T07:11:39.903Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.dell.com/support/kbdoc/000202196"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "CPG BIOS",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "21Q4 platforms",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2022-08-05T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "Dell BIOS versions contain an Improper Neutralization of Null Byte vulnerability. A local authenticated administrator user could potentially exploit this vulnerability by sending unexpected null bytes in order to read memory on the system."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 2.3,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-158",
              "description": "CWE-158: Improper Neutralization of Null Byte or NUL Character",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-09-12T18:35:20",
        "orgId": "c550e75a-17ff-4988-97f0-544cde3820fe",
        "shortName": "dell"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.dell.com/support/kbdoc/000202196"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secure@dell.com",
          "DATE_PUBLIC": "2022-08-05",
          "ID": "CVE-2022-31223",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "CPG BIOS",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "21Q4 platforms"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Dell"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Dell BIOS versions contain an Improper Neutralization of Null Byte vulnerability. A local authenticated administrator user could potentially exploit this vulnerability by sending unexpected null bytes in order to read memory on the system."
            }
          ]
        },
        "impact": {
          "cvss": {
            "baseScore": 2.3,
            "baseSeverity": "Low",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-158: Improper Neutralization of Null Byte or NUL Character"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.dell.com/support/kbdoc/000202196",
              "refsource": "MISC",
              "url": "https://www.dell.com/support/kbdoc/000202196"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "c550e75a-17ff-4988-97f0-544cde3820fe",
    "assignerShortName": "dell",
    "cveId": "CVE-2022-31223",
    "datePublished": "2022-09-12T18:35:20.164940Z",
    "dateReserved": "2022-05-19T00:00:00",
    "dateUpdated": "2024-09-16T22:36:37.761Z",
    "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.

Action not permitted