cnvd - cnvd-2021-56811

CNVD-2021-56811

Vulnerability from cnvd - Published: 2021-07-30

Title

Realtek RTL8710缓冲区溢出漏洞（CNVD-2021-56811）

Description

Realtek RTL8710是中国台湾瑞昱半导体（Realtek）公司的一款物联网微控制器。 Realtek RTL8710存在缓冲区溢出漏洞，攻击者可利用该漏洞通过“memcpy”功能远程执行代码。

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.seeedstudio.com/RTL8710-WiFi-Module-p-2793.html。

Reference

https://www.seeedstudio.com/RTL8710-WiFi-Module-p-2793.html。

Impacted products

Name
Realtek Realtek RTL8710

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-27302",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-27302"
    }
  },
  "description": "Realtek RTL8710\u662f\u4e2d\u56fd\u53f0\u6e7e\u745e\u6631\u534a\u5bfc\u4f53\uff08Realtek\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u7269\u8054\u7f51\u5fae\u63a7\u5236\u5668\u3002\n\nRealtek RTL8710\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u201cmemcpy\u201d\u529f\u80fd\u8fdc\u7a0b\u6267\u884c\u4ee3\u7801\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.seeedstudio.com/RTL8710-WiFi-Module-p-2793.html\u3002",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-56811",
  "openTime": "2021-07-30",
  "products": {
    "product": "Realtek Realtek RTL8710"
  },
  "referenceLink": "https://www.seeedstudio.com/RTL8710-WiFi-Module-p-2793.html\u3002",
  "serverity": "\u9ad8",
  "submitTime": "2021-06-08",
  "title": "Realtek RTL8710\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-56811\uff09"
}

CVE-2020-27302 (GCVE-0-2020-27302)

Vulnerability from cvelistv5 – Published: 2021-06-04 12:24 – Updated: 2024-08-04 16:11

Summary

A stack buffer overflow in Realtek RTL8710 (and other Ameba-based devices) can lead to remote code execution via the "memcpy" function, when an attacker in Wi-Fi range sends a crafted "Encrypted GTK" value as part of the WPA2 4-way-handshake.

Severity ?

No CVSS data available.

CWE

Assigner

VDOO

References

URL

Tags

https://www.vdoo.com/blog/realtek-wifi-vulnerabil…

x_refsource_MISC

Show details on NVD website

JSON

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            "url": "https://www.vdoo.com/blog/realtek-wifi-vulnerabilities-zero-day"
          }
        ],
        "title": "CVE Program Container"
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  "cveMetadata": {
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Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2021-56811

CVE-2020-27302 (GCVE-0-2020-27302)

Tags

Sightings

Nomenclature