漏洞信息
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Vulnerability Title
Improper key_share validation in TLS 1.3 HelloRetryRequest
Vulnerability Description
Missing required cryptographic step in the TLS 1.3 client HelloRetryRequest handshake logic in wolfSSL could lead to a compromise in the confidentiality of TLS-protected communications via a crafted HelloRetryRequest followed by a ServerHello message that omits the required key_share extension, resulting in derivation of predictable traffic secrets from (EC)DHE shared secret. This issue does not affect the client's authentication of the server during TLS handshakes.
CVSS Information
N/A
Vulnerability Type
输入验证不恰当
Vulnerability Title
wolfSSL(CyaSSL) 安全漏洞
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(CyaSSL)存在安全漏洞,该漏洞源于TLS 1.3客户端HelloRetryRequest握手逻辑缺少必要的加密步骤,可能导致通过特制的HelloRetryRequest和省略key_share扩展的ServerHello消息,从(EC)DHE共享密钥推导出可预测的流量密钥,从而破坏TLS保护通信的机密性。
CVSS Information
N/A
Vulnerability Type
N/A