medium
6.5
CWE
20
Advisory Published
Updated

CVE-2023-20525: Input Validation

First published: Tue Jan 10 2023(Updated: )

Insufficient syscall input validation in the ASP Bootloader may allow a privileged attacker to read memory outside the bounds of a mapped register potentially leading to a denial of service.

Credit: psirt@amd.com

Affected SoftwareAffected VersionHow to fix
AMD EPYC 7H12 Firmware<romepi_100d
AMD EPYC 7H12 Firmware
AMD EPYC 7F72<romepi_100d
AMD EPYC 7F72 Firmware
AMD EPYC 7F52 Firmware<romepi_100d
AMD EPYC 7F52 Firmware
AMD EPYC 7F32 Firmware<romepi_100d
AMD EPYC 7F32 Firmware
AMD EPYC 7742 firmware<romepi_100d
AMD EPYC 7742 firmware
AMD EPYC 7702 Firmware<romepi_100d
AMD EPYC 7702p
AMD EPYC 7702 Firmware<romepi_100d
AMD EPYC 7702
AMD EPYC 7662 Firmware<romepi_100d
AMD EPYC 7662 Firmware
AMD EPYC 7642 Firmware<romepi_100d
AMD EPYC 7642 Firmware
AMD EPYC 7552 Firmware<romepi_100d
AMD EPYC 7552 Firmware
AMD EPYC 7542 Firmware<romepi_100d
AMD EPYC 7542
AMD EPYC 7532 Firmware<romepi_100d
AMD EPYC 7532 Firmware
AMD EPYC 7502P Firmware<romepi_100d
AMD EPYC 7502P Firmware
AMD EPYC 7502P Firmware<romepi_100d
AMD EPYC 7502 firmware
AMD EPYC 7452 Firmware<romepi_100d
AMD EPYC 7452
Amd Epyc Server Firmware<romepi_100d
AMD EPYC 7402 Firmware
AMD EPYC 7402P Firmware<romepi_100d
AMD EPYC 7402P Firmware
AMD EPYC 7352 firmware<romepi_100d
AMD EPYC 7352 firmware
AMD EPYC 7302P Firmware<romepi_100d
AMD EPYC 7302P Firmware
Amd Epyc Server Firmware<romepi_100d
AMD EPYC 7302 Firmware
AMD EPYC 7282 Firmware<romepi_100d
AMD EPYC 7282 Firmware
AMD EPYC 7272 firmware<romepi_100d
AMD EPYC 7272 firmware
AMD EPYC 7262 Firmware<romepi_100d
AMD EPYC 7262 Firmware
AMD EPYC 7252 Firmware<romepi_100d
AMD EPYC 7252 Firmware
AMD EPYC 7232p firmware<romepi_100d
AMD EPYC 7232p firmware
AMD EPYC 7002 Firmware<romepi_100d
AMD EPYC 7002
AMD EPYC 7003 Firmware<milanpi_1.0.0.5
AMD EPYC 7003 Firmware
AMD EPYC 72F3 Firmware<milanpi_1.0.0.5
AMD EPYC 72F3 Firmware
AMD EPYC 7313P Firmware<milanpi_1.0.0.5
AMD EPYC 7313 Firmware
AMD EPYC 7313P Firmware<milanpi_1.0.0.5
AMD EPYC 7313P Firmware
Amd Epyc Server Firmware<milanpi_1.0.0.5
AMD EPYC 7343 Firmware
AMD EPYC 7373X Firmware<milanpi_1.0.0.5
AMD EPYC 7373X Firmware
AMD EPYC 73F3 Firmware<milanpi_1.0.0.5
AMD EPYC 73F3 Firmware
AMD EPYC 7413 Firmware<milanpi_1.0.0.5
AMD EPYC 7413 Firmware
AMD EPYC 7443P Firmware<milanpi_1.0.0.5
AMD EPYC 7443P
AMD EPYC 7443P Firmware<milanpi_1.0.0.5
AMD EPYC 7443P Firmware
Amd Epyc Server Firmware<milanpi_1.0.0.5
AMD EPYC 7453
AMD EPYC 74F3 Firmware<milanpi_1.0.0.5
AMD EPYC 74F3 Firmware
AMD EPYC 7513 Firmware<milanpi_1.0.0.5
AMD EPYC 7513 Firmware
Amd Epyc Server Firmware<milanpi_1.0.0.5
AMD EPYC 7543 Firmware
AMD EPYC 7543P Firmware<milanpi_1.0.0.5
AMD EPYC 7543P Firmware
AMD EPYC 7573X Firmware<milanpi_1.0.0.5
AMD EPYC 7573X Firmware
AMD EPYC 75F3 Firmware<milanpi_1.0.0.5
AMD EPYC 75F3 Firmware
AMD EPYC 7643P Firmware<milanpi_1.0.0.5
AMD EPYC 7643 Firmware
AMD EPYC 7663 Firmware<milanpi_1.0.0.5
AMD EPYC 7663 Firmware
AMD EPYC 7713P Firmware<milanpi_1.0.0.5
AMD EPYC 7713 Firmware
AMD EPYC 7713P Firmware<milanpi_1.0.0.5
AMD EPYC 7713P Firmware
AMD EPYC 7743 Firmware<milanpi_1.0.0.5
AMD EPYC 7743 Firmware
AMD EPYC 7763 Firmware<milanpi_1.0.0.5
AMD EPYC 7763 Firmware
AMD EPYC 7773X Firmware<milanpi_1.0.0.5
AMD EPYC 7773X Firmware

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2023-20525?

    CVE-2023-20525 is classified as a medium severity vulnerability due to its potential to allow a privileged attacker to read memory outside the bounds of a mapped register.

  • How do I fix CVE-2023-20525?

    To mitigate CVE-2023-20525, update to the latest AMD Epyc firmware version that addresses this vulnerability.

  • What types of systems are affected by CVE-2023-20525?

    CVE-2023-20525 affects specific AMD Epyc firmware versions including those for AMD Epyc 7H12, 7F72, 7F52, and others up to version romepi_100d.

  • What are the potential impacts of CVE-2023-20525?

    The potential impacts of CVE-2023-20525 include memory access violations leading to denial of service conditions.

  • Who is vulnerable to CVE-2023-20525?

    Users and administrators of systems running vulnerable versions of AMD Epyc firmware are at risk due to CVE-2023-20525.

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