HTTP::Session versions through 0.53 for Perl defaults to using insecurely generated session ids

HTTP::Session versions through 0.53 for Perl defaults to using insecurely generated session ids. HTTP::Session defaults to using HTTP::Session::ID::SHA1 to generate session ids using a SHA-1 hash seeded with the built-in rand function, the high resolution epoch time, and the PID. The PID will come from a small set of numbers, and the epoch time may be guessed, if it is not leaked from the HTTP Date header. The built-in rand function is unsuitable for cryptographic usage. The distribution includes HTTP::session::ID::MD5 which contains a similar flaw, but uses the MD5 hash instead.

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可预测问题

HTTP::Session 安全漏洞

HTTP::Session是KTAT个人开发者的一个用于Web应用中会话管理与状态维护的服务器端组件库。 HTTP::Session 0.53及之前版本存在安全漏洞，该漏洞源于默认使用不安全生成的会话ID，可能导致会话ID被猜测。

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