Potential buffer overflow
in unsafe UEFI variable handling
in Phoenix SecureCore™ for select Intel platforms
This issue affects:
Phoenix
SecureCore™ for Intel Kaby Lake: from 4.0.1.1 before 4.0.1.998;
Phoenix
SecureCore™ for Intel Coffee Lake: from 4.1.0.1 before 4.1.0.562;
Phoenix
SecureCore™ for Intel Ice Lake: from 4.2.0.1 before 4.2.0.323;
Phoenix
SecureCore™ for Intel Comet Lake: from 4.2.1.1 before 4.2.1.287;
Phoenix
SecureCore™ for Intel Tiger Lake: from 4.3.0.1 before 4.3.0.236;
Phoenix
SecureCore™ for Intel Jasper Lake: from 4.3.1.1 before 4.3.1.184;
Phoenix
SecureCore™ for Intel Alder Lake: from 4.4.0.1 before 4.4.0.269;
Phoenix
SecureCore™ for Intel Raptor Lake: from 4.5.0.1 before 4.5.0.218;
Phoenix
SecureCore™ for Intel Meteor Lake: from 4.5.1.1 before 4.5.1.15.
Out-of-bounds read in the BIOS firmware for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege via adjacent access.
Improper input validation in the BIOS firmware for some Intel(R) Processors may allow an authenticated user to potentially enable denial of service via adjacent access.
Insufficient control flow management in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable denial of service via local access.
Improper Input validation in firmware for some Intel(R) Converged Security and Management Engine before versions 15.0.45, and 16.1.27 may allow a privileged user to potentially enable denial of service via local access.
Improper buffer restrictions in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access.
Improper access control in the Intel(R) CSME software installer before version 2239.3.7.0 may allow an authenticated user to potentially enable escalation of privilege via local access.
Improper isolation of shared resources in some Intel(R) Processors when using Intel(R) Software Guard Extensions may allow a privileged user to potentially enable information disclosure via local access.
Improper initialization in the Intel(R) TXT SINIT ACM for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.
Time-of-check time-of-use race condition in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.