An issue was discovered in iscflashx64.sys 3.9.3.0 in Insyde H2OFFT 6.20.00. When handling IOCTL 0x22229a, the input used to allocate a buffer and copy memory is mishandled. This could cause memory corruption or a system crash.
CVSS Score
7.1
EPSS Score
0.001
Published
2023-09-08
Improper access control in the Insyde software tools may allow an authenticated user to potentially enable escalation of privilege, or information disclosure via local access. This is a software vulnerability, not a firmware issue. Affected tools include: H2OFFT version 3.02~5.28, 100.00.00.00~100.00.08.23 and 200.00.00.01~200.00.00.05, H2OOAE before version 200.00.00.02, H2OSDE before version 200.00.00.07, H2OUVE before version 200.00.02.02, H2OPCM before version 100.00.06.00, H2OELV before version 100.00.02.08.
CVSS Score
7.8
EPSS Score
0.001
Published
2019-08-26