cnvd-2021-88207
Vulnerability from cnvd
Title
Dell BIOS输入验证错误漏洞
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,该漏洞源于戴尔BIOS包含一个错误的输入验证漏洞。攻击者可利用该漏洞使用SMI在SMRAM中获得任意代码执行。
Severity
中
VLAI Severity ?
Patch Name
Dell BIOS输入验证错误漏洞的补丁
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,该漏洞源于戴尔BIOS包含一个错误的输入验证漏洞。攻击者可利用该漏洞使用SMI在SMRAM中获得任意代码执行。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/000192967
Reference
https://nvd.nist.gov/vuln/detail/CVE-2021-36325
Impacted products
| Name | Dell BIOS |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2021-36325"
}
},
"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\u6234\u5c14BIOS\u5305\u542b\u4e00\u4e2a\u9519\u8bef\u7684\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7528SMI\u5728SMRAM\u4e2d\u83b7\u5f97\u4efb\u610f\u4ee3\u7801\u6267\u884c\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/000192967",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2021-88207",
"openTime": "2021-11-17",
"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\u6234\u5c14BIOS\u5305\u542b\u4e00\u4e2a\u9519\u8bef\u7684\u8f93\u5165\u9a8c\u8bc1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f7f\u7528SMI\u5728SMRAM\u4e2d\u83b7\u5f97\u4efb\u610f\u4ee3\u7801\u6267\u884c\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\u7684\u8865\u4e01",
"products": {
"product": "Dell BIOS"
},
"referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-36325",
"serverity": "\u4e2d",
"submitTime": "2021-11-16",
"title": "Dell BIOS\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e"
}
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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