Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
An issue was discovered in Insyde InsydeH2O Kernel 5.0 before 05.09.11, 5.1 before 05.17.11, 5.2 before 05.27.11, 5.3 before 05.36.11, 5.4 before 05.44.11, and 5.5 before 05.52.11 affecting FwBlockServiceSmm. Software SMI services that use the Communicate() function of the EFI_SMM_COMMUNICATION_PROTOCOL do not check whether the address of the buffer is valid, which allows use of SMRAM, MMIO, or OS kernel addresses.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Insyde InsydeH2O 缓冲区错误漏洞
Vulnerability Description
Insyde InsydeH2O是中国台湾系微（Insyde）公司的一个 C 语言源，它实现了新技术“EFI/UEFI”规范，旨在取代传统的 BIOS（基本输入/输出系统）。 InsydeH2O Hardware-2-Operating System (H2O) UEFI固件存在缓冲区错误漏洞，该漏洞源于 SWSMI 处理程序没有充分检查或验证分配的缓冲区指针 (CommBuffer)。攻击者可以利用它来破坏 SMRAM 内存中的数据，甚至导致任意代码执行。
CVSS Information
N/A
Vulnerability Type
N/A