Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
A stack buffer overflow flaw was found in the Quick Emulator (QEMU) before 2.9 built with the Network Block Device (NBD) client support. The flaw could occur while processing server's response to a 'NBD_OPT_LIST' request. A malicious NBD server could use this issue to crash a remote NBD client resulting in DoS or potentially execute arbitrary code on client host with privileges of the QEMU process.
CVSS Information
N/A
Vulnerability Type
栈缓冲区溢出
Vulnerability Title
QEMU 缓冲区错误漏洞
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。 QEMU 2.9之前版本中的nbd/client.c文件存在基于栈的缓冲区溢出漏洞，该漏洞源于程序没有充分的执行边界检测，导致复制数据的大小超过分配的内存缓冲区空间。攻击者可借助恶意的NBD服务器利用该漏洞造成远程NBD客户端崩溃并可能以QEMU进程权限执行任意代码。
CVSS Information
N/A
Vulnerability Type
N/A