CVE-2022-40246

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Summary

CVECVE-2022-40246
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-09-20 18:15:00 UTC
Updated2022-09-26 14:22:00 UTC
DescriptionA potential attacker can write one byte by arbitrary address at the time of the PEI phase (only during S3 resume boot mode) and influence the subsequent boot stages. This can lead to the mitigations bypassing, physical memory contents disclosure, discovery of any secrets from any Virtual Machines (VMs) and bypassing memory isolation and confidential computing boundaries. Additionally, an attacker can build a payload which can be injected into the SMRAM memory. This issue affects: Module name: SbPei SHA256: d827182e5f9b7a9ff0b9d3e232f7cfac43b5237e2681e11f005be627a49283a9 Module GUID: c1fbd624-27ea-40d1-aa48-94c3dc5c7e0d

Risk And Classification

Problem Types: CWE-787

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Intel Nuc M15 Laptop Kit Lapbc510 - All All All
Operating System Intel Nuc M15 Laptop Kit Lapbc510 Firmware 0072 All All All
Hardware Intel Nuc M15 Laptop Kit Lapbc710 - All All All
Operating System Intel Nuc M15 Laptop Kit Lapbc710 Firmware 0072 All All All

References

ReferenceSourceLinkTags
[BRLY-2022-014] Arbitrary write vulnerability in PEI module leads to arbitrary code execution during PEI phase. MISC www.binarly.io
AMI Firmware Security Team MISC www.ami.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

LEGACY: Binarly efiXplorer team

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