Vulnerability-Lookup

CNVD-2023-08760

Vulnerability from cnvd - Published: 2023-02-14

Title

Dell BIOS缓冲区溢出漏洞（CNVD-2023-08760）

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存在缓冲区溢出漏洞，通过本地身份验证的攻击者可利用该漏洞通过操纵SMI导致SMM期间的任意写入。

Severity

高

Patch Name

Dell BIOS缓冲区溢出漏洞（CNVD-2023-08760）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存在缓冲区溢出漏洞，通过本地身份验证的攻击者可利用该漏洞通过操纵SMI导致SMM期间的任意写入。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://www.dell.com/support/kbdoc/000203758

Reference

https://www.dell.com/support/kbdoc/000203758

Impacted products

Name
DELL Dell BIOS

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-32491",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-32491"
    }
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  "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\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u901a\u8fc7\u672c\u5730\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u64cd\u7eb5SMI\u5bfc\u81f4SMM\u671f\u95f4\u7684\u4efb\u610f\u5199\u5165\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://www.dell.com/support/kbdoc/000203758",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2023-08760",
  "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\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u901a\u8fc7\u672c\u5730\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u64cd\u7eb5SMI\u5bfc\u81f4SMM\u671f\u95f4\u7684\u4efb\u610f\u5199\u5165\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\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2023-08760\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "DELL Dell BIOS"
  },
  "referenceLink": "https://www.dell.com/support/kbdoc/000203758",
  "serverity": "\u9ad8",
  "submitTime": "2022-10-14",
  "title": "Dell BIOS\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2023-08760\uff09"
}

CVE-2022-32491 (GCVE-0-2022-32491)

Vulnerability from cvelistv5 – Published: 2022-10-12 19:25 – Updated: 2025-05-15 15:35

Summary

Dell Client BIOS contains a Buffer Overflow vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by manipulating an SMI to cause an arbitrary write during SMM.

Severity

4.1 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-05-15 15:35 UTC

CWE

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Assigner

dell mitre root

References

1 reference

URL	Tags
https://www.dell.com/support/kbdoc/000203758

Impacted products

1 product

Vendor	Product	Version
Dell	CPG BIOS	Affected: unspecified , < OptiPlex 7770 All-In-One BIOS (version: 1.14.0) (custom)

Date Public

2022-09-29 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T07:39:51.191Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "tags": [
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            "url": "https://www.dell.com/support/kbdoc/000203758"
          }
        ],
        "title": "CVE Program Container"
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        "metrics": [
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                "id": "CVE-2022-32491",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-15T15:35:52.404046Z",
                "version": "2.0.3"
              },
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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    ],
    "cna": {
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        {
          "product": "CPG BIOS",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "OptiPlex 7770 All-In-One BIOS (version: 1.14.0)",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
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      "descriptions": [
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          "value": "Dell Client BIOS contains a Buffer Overflow vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by manipulating an SMI to cause an arbitrary write during SMM."
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      ],
      "metrics": [
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            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 4.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N",
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    "dateReserved": "2022-06-06T00:00:00.000Z",
    "dateUpdated": "2025-05-15T15:35:57.917Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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.

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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.