Vulnerability-Lookup

CNVD-2021-44758

Vulnerability from cnvd - Published: 2021-06-24

Title

EDK II权限提升漏洞

Description

EDK II是一个现代的、功能丰富的跨平台固件开发环境，适用于UEFI和UEFI平台初始化（PI）规范。 EDK II存在权限提升漏洞，该漏洞源于EDK II的DxeImageVerificationHandler()存在逻辑问题，认证用户可利用该漏洞提升权限。

Severity

中

Patch Name

EDK II权限提升漏洞的补丁

Patch Description

EDK II是一个现代的、功能丰富的跨平台固件开发环境，适用于UEFI和UEFI平台初始化（PI）规范。 EDK II存在权限提升漏洞，该漏洞源于EDK II的DxeImageVerificationHandler()存在逻辑问题，认证用户可利用该漏洞提升权限。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://edk2.groups.io/g/devel/message/53866

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-14575

Impacted products

Name
tianocore EDK II

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-14575",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-14575"
    }
  },
  "description": "EDK II\u662f\u4e00\u4e2a\u73b0\u4ee3\u7684\u3001\u529f\u80fd\u4e30\u5bcc\u7684\u8de8\u5e73\u53f0\u56fa\u4ef6\u5f00\u53d1\u73af\u5883\uff0c\u9002\u7528\u4e8eUEFI\u548cUEFI\u5e73\u53f0\u521d\u59cb\u5316\uff08PI\uff09\u89c4\u8303\u3002\n\nEDK II\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eEDK II\u7684DxeImageVerificationHandler()\u5b58\u5728\u903b\u8f91\u95ee\u9898\uff0c\u8ba4\u8bc1\u7528\u6237\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u5347\u6743\u9650\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://edk2.groups.io/g/devel/message/53866",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-44758",
  "openTime": "2021-06-24",
  "patchDescription": "EDK II\u662f\u4e00\u4e2a\u73b0\u4ee3\u7684\u3001\u529f\u80fd\u4e30\u5bcc\u7684\u8de8\u5e73\u53f0\u56fa\u4ef6\u5f00\u53d1\u73af\u5883\uff0c\u9002\u7528\u4e8eUEFI\u548cUEFI\u5e73\u53f0\u521d\u59cb\u5316\uff08PI\uff09\u89c4\u8303\u3002\r\n\r\nEDK II\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eEDK II\u7684DxeImageVerificationHandler()\u5b58\u5728\u903b\u8f91\u95ee\u9898\uff0c\u8ba4\u8bc1\u7528\u6237\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u5347\u6743\u9650\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": "EDK II\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "tianocore EDK II"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-14575",
  "serverity": "\u4e2d",
  "submitTime": "2020-11-24",
  "title": "EDK II\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}

CVE-2019-14575 (GCVE-0-2019-14575)

Vulnerability from cvelistv5 – Published: 2020-11-23 16:11 – Updated: 2024-08-05 00:19

Summary

Logic issue in DxeImageVerificationHandler() for EDK II may allow an authenticated user to potentially enable escalation of privilege via local access.

Severity

No CVSS data available.

CWE

escalation of privilege

Assigner

intel mitre root

References

2 references

URL	Tags
https://bugzilla.tianocore.org/show_bug.cgi?id=1608	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST

Impacted products

1 product

Vendor	Product	Version
n/a	Extensible Firmware Interface Development Kit (EDK II)	Affected: EDK II

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T00:19:41.254Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.tianocore.org/show_bug.cgi?id=1608"
          },
          {
            "name": "[debian-lts-announce] 20210429 [SECURITY] [DLA 2645-1] edk2 security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2021/04/msg00032.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Extensible Firmware Interface Development Kit (EDK II)",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "EDK II"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Logic issue in DxeImageVerificationHandler() for EDK II may allow an authenticated user to potentially enable escalation of privilege via local access."
        }
      ],
      "problemTypes": [
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              "lang": "en",
              "type": "text"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2021-04-29T21:06:24.000Z",
        "orgId": "6dda929c-bb53-4a77-a76d-48e79601a1ce",
        "shortName": "intel"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.tianocore.org/show_bug.cgi?id=1608"
        },
        {
          "name": "[debian-lts-announce] 20210429 [SECURITY] [DLA 2645-1] edk2 security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2021/04/msg00032.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "secure@intel.com",
          "ID": "CVE-2019-14575",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Extensible Firmware Interface Development Kit (EDK II)",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "EDK II"
                          }
                        ]
                      }
                    }
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                },
                "vendor_name": "n/a"
              }
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        "description": {
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              "value": "Logic issue in DxeImageVerificationHandler() for EDK II may allow an authenticated user to potentially enable escalation of privilege via local access."
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        "problemtype": {
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                  "lang": "eng",
                  "value": "escalation of privilege"
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            },
            {
              "name": "[debian-lts-announce] 20210429 [SECURITY] [DLA 2645-1] edk2 security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2021/04/msg00032.html"
            }
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  },
  "cveMetadata": {
    "assignerOrgId": "6dda929c-bb53-4a77-a76d-48e79601a1ce",
    "assignerShortName": "intel",
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    "datePublished": "2020-11-23T16:11:19.000Z",
    "dateReserved": "2019-08-03T00:00:00.000Z",
    "dateUpdated": "2024-08-05T00:19:41.254Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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Confirmed: The vulnerability has been validated from an analyst's perspective.
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Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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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.

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.

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Action not permitted

CNVD-2021-44758

CVE-2019-14575 (GCVE-0-2019-14575)

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