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I. Basic Information for CVE-2021-34431
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Eclipse Mosquitto version 1.6 to 2.0.10, if an authenticated client that had connected with MQTT v5 sent a crafted CONNECT message to the broker a memory leak would occur, which could be used to provide a DoS attack against the broker.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
在移除最后引用时对内存的释放不恰当(内存泄露)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Eclipse Mosquitto 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse Mosquitto是Eclipse基金会的一套开源的消息代理软件。 Eclipse Mosquitto version 1.6至2.0.10版本存在安全漏洞，经过身份验证的客户机向代理发送了一条精心制作的CONNECT消息，就会发生内存泄漏，这可以用来对代理提供DoS攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
The Eclipse FoundationEclipse Mosquitto 1.6 ~ unspecified -
II. Public POCs for CVE-2021-34431
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III. Intelligence Information for CVE-2021-34431
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IV. Related Vulnerabilities
Same product: Eclipse Mosquitto
Same vendor: The Eclipse Foundation
Same weakness: CWE-401
V. Comments for CVE-2021-34431

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