Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The VGA module in QEMU improperly performs bounds checking on banked access to video memory, which allows local guest OS administrators to execute arbitrary code on the host by changing access modes after setting the bank register, aka the "Dark Portal" issue.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
QEMU VGA模块安全漏洞
Vulnerability Description
QEMU（又名Quick Emulator）是法国程序员法布里斯-贝拉（Fabrice Bellard）所研发的一套模拟处理器软件。该软件具有速度快、跨平台等特点。VGA是其中的一个用于连接液晶显示器的接口模块。 QEMU的VGA模块中存在安全漏洞，该漏洞源于当程序访问视频存储器时没有正确执行边界检查。本地攻击者可通过设置bank寄存器后修改访问模式利用该漏洞在主机上执行任意代码。
CVSS Information
N/A
Vulnerability Type
N/A