Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The "internal state tracking" code for the random and urandom devices in FreeBSD 5.5, 6.1 through 6.3, and 7.0 beta 4 allows local users to obtain portions of previously-accessed random values, which could be leveraged to bypass protection mechanisms that rely on secrecy of those values.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
FreeBSD不安全随机数生成器信息泄露漏洞
Vulnerability Description
FreeBSD就是一种运行在Intel平台上、可以自由使用的开放源码Unix类系统。 FreeBSD的伪随机数生成模块实现上存在漏洞，本地攻击者可能利用此漏洞获取伪随机数据相关的信息。 在FreeBSD的sys_dev_random模块中，random(4)和urandom(4)设备在读取时会返回无穷的伪随机字节，加密算法通常依赖于这些伪随机值来确保安全。在某些环境下，random(4)和urandom(4)设备上内部状态追踪中的bug可能导致在之后的读取中重放分发的数据，这可能允许攻击者判断之前读取随机
CVSS Information
N/A
Vulnerability Type
N/A