Vulnerability-Lookup

CNVD-2021-91640

Vulnerability from cnvd - Published: 2021-11-26

Title

Realtek RtsUpx Usb Utility Driver资源管理错误漏洞

Description

Realtek RtsUpx Usb Utility Driver是中国瑞昱半导体（Realtek）公司的一个 Usb 实用程序驱动器。 Realtek RtsUpx USB Utility Driver for Camera Hub Audio中存在资源管理错误漏洞，该漏洞源于产品处理IO控制包时未能正确控制内存边界。攻击者可通过该漏洞导致权限升级、拒绝服务、代码执行。

Severity

高

Patch Name

Realtek RtsUpx Usb Utility Driver资源管理错误漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，详情请关注厂商主页： https://www.realtek.com

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-36924

Impacted products

Name
Realtek Realtek RtsUpx USB Utility Driver for Camera Hub Audio <=1.14.0.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-36924"
    }
  },
  "description": "Realtek RtsUpx Usb Utility Driver\u662f\u4e2d\u56fd\u745e\u6631\u534a\u5bfc\u4f53\uff08Realtek\uff09\u516c\u53f8\u7684\u4e00\u4e2a Usb \u5b9e\u7528\u7a0b\u5e8f\u9a71\u52a8\u5668\u3002\n\nRealtek RtsUpx USB Utility Driver for Camera Hub Audio\u4e2d\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1\u5904\u7406IO\u63a7\u5236\u5305\u65f6\u672a\u80fd\u6b63\u786e\u63a7\u5236\u5185\u5b58\u8fb9\u754c\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u6743\u9650\u5347\u7ea7\u3001\u62d2\u7edd\u670d\u52a1\u3001\u4ee3\u7801\u6267\u884c\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://www.realtek.com",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-91640",
  "openTime": "2021-11-26",
  "patchDescription": "Realtek RtsUpx Usb Utility Driver\u662f\u4e2d\u56fd\u745e\u6631\u534a\u5bfc\u4f53\uff08Realtek\uff09\u516c\u53f8\u7684\u4e00\u4e2a Usb \u5b9e\u7528\u7a0b\u5e8f\u9a71\u52a8\u5668\u3002\r\n\r\nRealtek RtsUpx USB Utility Driver for Camera Hub Audio\u4e2d\u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1\u5904\u7406IO\u63a7\u5236\u5305\u65f6\u672a\u80fd\u6b63\u786e\u63a7\u5236\u5185\u5b58\u8fb9\u754c\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u6743\u9650\u5347\u7ea7\u3001\u62d2\u7edd\u670d\u52a1\u3001\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": "Realtek RtsUpx Usb Utility Driver\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Realtek Realtek RtsUpx USB Utility Driver for Camera Hub Audio  \u003c=1.14.0.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-36924",
  "serverity": "\u9ad8",
  "submitTime": "2021-11-03",
  "title": "Realtek RtsUpx Usb Utility Driver\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2021-36924 (GCVE-0-2021-36924)

Vulnerability from cvelistv5 – Published: 2021-11-02 12:37 – Updated: 2024-08-04 01:09

Summary

RtsUpx.sys in Realtek RtsUpx USB Utility Driver for Camera/Hub/Audio through 1.14.0.0 allows local low-privileged users to achieve a pool overflow (leading to Escalation of Privileges, Denial of Service, and Code Execution) via a crafted Device IO Control packet to a device.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

2 references

URL	Tags
https://www.sentinelone.com/resources/category/report/	x_refsource_MISC
https://www.realtek.com/images/safe-report/Realte…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
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        "providerMetadata": {
          "dateUpdated": "2024-08-04T01:09:07.368Z",
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            ],
            "url": "https://www.sentinelone.com/resources/category/report/"
          },
          {
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              "x_transferred"
            ],
            "url": "https://www.realtek.com/images/safe-report/Realtek_RtsUpx_Security_Advisory_Report.pdf"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "versions": [
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      ],
      "descriptions": [
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        }
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      "providerMetadata": {
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      },
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          ],
          "url": "https://www.sentinelone.com/resources/category/report/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.realtek.com/images/safe-report/Realtek_RtsUpx_Security_Advisory_Report.pdf"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-36924",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
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            },
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  "cveMetadata": {
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    "dateReserved": "2021-07-19T00:00:00.000Z",
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

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.