cnvd - cnvd-2021-27363

cnvd-2021-27363

Vulnerability from cnvd

Title: Eclipse Mosquitto空指针解引用漏洞

Description:

Eclipse Mosquitto是实现3.1和3.1.1版MQTT协议的开源（EPL/EDL许可）消息代理。

Eclipse Mosquitto 2.0.0至2.0.9版本存在空指针解引用漏洞。攻击者可通过与MQTT v5连接的认证客户端向代理发送特制CONNACK消息利用该漏洞导致空指针解引用。

Severity: 中

Patch Name: Eclipse Mosquitto空指针解引用漏洞的补丁

Patch Description:

Eclipse Mosquitto是实现3.1和3.1.1版MQTT协议的开源（EPL/EDL许可）消息代理。

Eclipse Mosquitto 2.0.0至2.0.9版本存在空指针解引用漏洞。攻击者可通过与MQTT v5连接的认证客户端向代理发送特制CONNACK消息利用该漏洞导致空指针解引用。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://bugs.eclipse.org/bugs/show_bug.cgi?id=572608

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-28166

Impacted products

Name
Eclipse Mosquitto >=2.0.0，<=2.0.9

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-28166",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-28166"
    }
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  "description": "Eclipse Mosquitto\u662f\u5b9e\u73b03.1\u548c3.1.1\u7248MQTT\u534f\u8bae\u7684\u5f00\u6e90\uff08EPL/EDL\u8bb8\u53ef\uff09\u6d88\u606f\u4ee3\u7406\u3002\n\nEclipse Mosquitto 2.0.0\u81f32.0.9\u7248\u672c\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4e0eMQTT v5\u8fde\u63a5\u7684\u8ba4\u8bc1\u5ba2\u6237\u7aef\u5411\u4ee3\u7406\u53d1\u9001\u7279\u5236CONNACK\u6d88\u606f\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u3002",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-27363",
  "openTime": "2021-04-12",
  "patchDescription": "Eclipse Mosquitto\u662f\u5b9e\u73b03.1\u548c3.1.1\u7248MQTT\u534f\u8bae\u7684\u5f00\u6e90\uff08EPL/EDL\u8bb8\u53ef\uff09\u6d88\u606f\u4ee3\u7406\u3002\r\n\r\nEclipse Mosquitto 2.0.0\u81f32.0.9\u7248\u672c\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4e0eMQTT v5\u8fde\u63a5\u7684\u8ba4\u8bc1\u5ba2\u6237\u7aef\u5411\u4ee3\u7406\u53d1\u9001\u7279\u5236CONNACK\u6d88\u606f\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7a7a\u6307\u9488\u89e3\u5f15\u7528\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": "Eclipse Mosquitto\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Eclipse Mosquitto \u003e=2.0.0\uff0c\u003c=2.0.9"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-28166",
  "serverity": "\u4e2d",
  "submitTime": "2021-04-08",
  "title": "Eclipse Mosquitto\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2021-28166 (GCVE-0-2021-28166)

Vulnerability from cvelistv5

Published

2021-04-07 18:50

Modified

2024-08-03 21:40

Severity ?

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:F/RL:O/RC:C

CWE

CWE-476 - NULL Pointer Dereference

Summary

In Eclipse Mosquitto version 2.0.0 to 2.0.9, if an authenticated client that had connected with MQTT v5 sent a crafted CONNACK message to the broker, a NULL pointer dereference would occur.

References

▼	URL	Tags
	https://bugs.eclipse.org/bugs/show_bug.cgi?id=572608	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	The Eclipse Foundation	Eclipse Mosquitto	Version: 2.0 < unspecified Version: unspecified <

Show details on NVD website

JSON

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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.
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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