Insyde InsydeH2O privilege escalation | CVE-2022-32478
NAME
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Insyde InsydeH2O privilege escalation
Platforms Affected:
Risk Level:
7.5
Exploitability:
Unproven
Consequences:
Gain Privilege
DESCRIPTION
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Insyde InsydeH2O could allow a local authenticated attacker to gain elevated privileges on the system, caused by a time-of-check time-of-use (TOCTOU) race condition. By conducting DMA attacks on the IdeBusDxe buffer used by SMM and non-SMM code, an attacker could exploit this vulnerability to gain elevated privileges.
CVSS 3.0 Information
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Privileges Required:
High
User Interaction:
None
Scope:
Changed
Access Vector:
Local
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