Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
qemu-nbd in QEMU, as used in Xen 4.2.x, determines the format of a raw disk image based on the header, which allows local guest OS administrators to read arbitrary files on the host by modifying the header to identify a different format, which is used when the guest is restarted, a different vulnerability than CVE-2008-2004.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Xen ‘qemu-nbd’ Tool 本地安全绕过漏洞
Vulnerability Description
Xen是英国剑桥大学开发的一款开源的虚拟机监视器产品。该产品能够使不同和不兼容的操作系统运行在同一台计算机上，并支持在运行时进行迁移，保证正常运行并且避免宕机。 Xen 4.2.x版本中使用的QEMU中的qemu-nbd中存在漏洞，该漏洞源于程序确定基于头的原始磁盘图像的格式。本地客户OS管理员可通过修改头确定不同的格式利用该漏洞读取主机任意文件。（用于客户端重启时）
CVSS Information
N/A
Vulnerability Type
N/A