cnvd - cnvd-2021-46558

cnvd-2021-46558

Vulnerability from cnvd

Title: Dell PowerEdge Server缓冲区溢出漏洞

Description:

Dell PowerEdge Server BIOS是戴尔（Dell）的一款系统更新驱动程序。

Dell PowerEdge Server 存在安全漏洞，攻击者可利用该漏洞导致在系统管理模式下拒绝服务、任意代码执行或信息公开。

Severity: 高

Patch Name: Dell PowerEdge Server缓冲区溢出漏洞的补丁

Patch Description:

Dell PowerEdge Server BIOS是戴尔（Dell）的一款系统更新驱动程序。

Dell PowerEdge Server 存在安全漏洞，攻击者可利用该漏洞导致在系统管理模式下拒绝服务、任意代码执行或信息公开。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/000187958

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-21557

Impacted products

Name
Dell PowerEdge Server

Show details on source website

JSON

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    "cve": {
      "cveNumber": "CVE-2021-21557"
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-46558",
  "openTime": "2021-07-02",
  "patchDescription": "Dell PowerEdge Server BIOS\u662f\u6234\u5c14\uff08Dell\uff09\u7684\u4e00\u6b3e\u7cfb\u7edf\u66f4\u65b0\u9a71\u52a8\u7a0b\u5e8f\u3002\r\n\r\nDell PowerEdge Server \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5728\u7cfb\u7edf\u7ba1\u7406\u6a21\u5f0f\u4e0b\u62d2\u7edd\u670d\u52a1\u3001\u4efb\u610f\u4ee3\u7801\u6267\u884c\u6216\u4fe1\u606f\u516c\u5f00\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",
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  "products": {
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  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-21557",
  "serverity": "\u9ad8",
  "submitTime": "2021-06-17",
  "title": "Dell PowerEdge Server\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2021-21557 (GCVE-0-2021-21557)

Vulnerability from cvelistv5

Published

2021-06-14 19:10

Modified

2024-09-16 17:02

Severity ?

8.1 (High) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L

CWE

CWE-20 - Improper Input Validation

Summary

Dell PowerEdge Server BIOS and select Dell Precision Rack BIOS contain an out-of-bounds array access vulnerability. A local malicious user with high privileges may potentially exploit this vulnerability, leading to a denial of service, arbitrary code execution, or information disclosure in System Management Mode.

References

▼	URL	Tags
	https://www.dell.com/support/kbdoc/000187958	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Dell	PowerEdge BIOS Intel 15G	Version: unspecified < 2.11.2

Show details on NVD website

JSON

To clipboard

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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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