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I. Basic Information for CVE-2021-45938
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
wolfSSL wolfMQTT 1.9 has a heap-based buffer overflow in MqttClient_DecodePacket (called from MqttClient_WaitType and MqttClient_Unsubscribe).
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Wolfssl 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wolfssl(CyaSSL)是美国Wolfssl公司的一个针对嵌入式系统开发人员使用的小的、可移植的嵌入式SSL编程库。 Wolfssl wolfMQTT 中存在缓冲区错误漏洞,该漏洞源于产品从MqttClient_WaitType以及MqttClient_Unsubscribe中调用MqttClient_DecodePacket时未能正确判断内存边界。攻击者可通过该漏洞导致缓冲区溢出。以下产品及版本受到影响:WolfSSL wolfMQTT 1.9。
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
-n/a n/a -
II. Public POCs for CVE-2021-45938
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III. Intelligence Information for CVE-2021-45938
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IV. Related Vulnerabilities
V. Comments for CVE-2021-45938

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