Vulnerability-Lookup

CNVD-2021-56813

Vulnerability from cnvd - Published: 2021-07-30

Title

Realtek rtl8723de代码问题漏洞

Description

Realtek rtl8723de是中国瑞昱（Realtek）公司的一个接口控制器。是802.11bgn 2.4G单片机，集成了无线局域网和带有集成蓝牙5.0 USB接口控制器的网络PCIe接口控制器。 Realtek rtl8723de BLE Stack 4.1版本及之前版本存在代码问题漏洞，远程攻击者可利用该漏洞通过连接请求消息的interval字段导致拒绝服务。

Severity

高

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://www.realtek.com/en/component/zoo/category/rtl8723de-software

Reference

https://github.com/pokerfacett/MY_REQUEST/blob/df73fe140655ea44542b03ac186e6c2b47e97540/Realtek%208723ds%20BLE%20SDK%20denial%20of%20service%20attack.md

Impacted products

Name
Realtek rtl8723de <=4.1

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-23539",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-23539"
    }
  },
  "description": "Realtek rtl8723de\u662f\u4e2d\u56fd\u745e\u6631\uff08Realtek\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u63a5\u53e3\u63a7\u5236\u5668\u3002\u662f802.11bgn 2.4G\u5355\u7247\u673a\uff0c\u96c6\u6210\u4e86\u65e0\u7ebf\u5c40\u57df\u7f51\u548c\u5e26\u6709\u96c6\u6210\u84dd\u72595.0 USB\u63a5\u53e3\u63a7\u5236\u5668\u7684\u7f51\u7edcPCIe\u63a5\u53e3\u63a7\u5236\u5668\u3002\n\nRealtek rtl8723de BLE Stack 4.1\u7248\u672c\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u8fde\u63a5\u8bf7\u6c42\u6d88\u606f\u7684interval\u5b57\u6bb5\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://www.realtek.com/en/component/zoo/category/rtl8723de-software",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-56813",
  "openTime": "2021-07-30",
  "products": {
    "product": "Realtek rtl8723de \u003c=4.1"
  },
  "referenceLink": "https://github.com/pokerfacett/MY_REQUEST/blob/df73fe140655ea44542b03ac186e6c2b47e97540/Realtek%208723ds%20BLE%20SDK%20denial%20of%20service%20attack.md",
  "serverity": "\u9ad8",
  "submitTime": "2021-04-22",
  "title": "Realtek rtl8723de\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2020-23539 (GCVE-0-2020-23539)

Vulnerability from cvelistv5 – Published: 2021-04-08 16:45 – Updated: 2024-08-04 14:58

Summary

An issue was discovered in Realtek rtl8723de BLE Stack <= 4.1 that allows remote attackers to cause a Denial of Service via the interval field to the CONNECT_REQ message.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/pokerfacett/MY_REQUEST/blob/df…	x_refsource_MISC

Date Public

2020-06-11 00:00

Show details on NVD website

JSON

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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.

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-2021-56813

CVE-2020-23539 (GCVE-0-2020-23539)

Tags

Sightings

Nomenclature

Related by attack behaviour