Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp_input() function and could occur while processing a udp packet that is smaller than the size of the 'udphdr' structure. This issue may lead to out-of-bounds read access or indirect host memory disclosure to the guest. The highest threat from this vulnerability is to data confidentiality. This flaw affects libslirp versions prior to 4.6.0.
CVSS Information
N/A
Vulnerability Type
使用未经初始化的指针
Vulnerability Title
QEMU 缓冲区错误漏洞
Vulnerability Description
QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）个人开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU 的 slirp 存在缓冲区错误漏洞，该漏洞源于函数 udp6_input() 处理来自来宾的小于 udphdr 结构大小的 udp 数据包时，它使用工作 mbuf 缓冲区外部的内存。此问题可能会导致对来宾的越界读取访问或间接内存泄露。
CVSS Information
N/A
Vulnerability Type
N/A