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[email protected]CVE-2023-20528

HistoryJan 11, 2023 - 8:15 a.m.

CVE-2023-20528

2023-01-1108:15:13

CWE-20

[email protected]

web.nvd.nist.gov

cve-2023-20528

input validation

smu

memory exfiltration

physical attacker

i2c bus

confidentiality

nvd

2.4 Low

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

4.7 Medium

AI Score

Confidence

High

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

0.0004 Low

EPSS

Percentile

12.4%

JSON

Insufficient input validation in the SMU may allow a physical attacker to exfiltrate SMU memory contents over the I2C bus potentially leading to a loss of confidentiality.

CPENameOperatorVersion
amd:epyc_7h12_firmwareamd epyc 7h12 firmwareltromepi_1.0.0.c
amd:epyc_7h12_firmwareamd epyc 7h12 firmwareeqromepi-sp3_1.0.0.c
amd:epyc_7h12_firmwareamd epyc 7h12 firmwareeq-
amd:epyc_7h12_firmwareamd epyc 7h12 firmwareeqromepi_1.0.0.a
amd:epyc_7h12_firmwareamd epyc 7h12 firmwareeqromepi-sp3_1.0.0.d

CPE	Name	Operator	Version
amd:epyc_7h12_firmware	amd epyc 7h12 firmware	lt	romepi_1.0.0.c
amd:epyc_7h12_firmware	amd epyc 7h12 firmware	eq	romepi-sp3_1.0.0.c
amd:epyc_7h12_firmware	amd epyc 7h12 firmware	eq	-
amd:epyc_7h12_firmware	amd epyc 7h12 firmware	eq	romepi_1.0.0.a
amd:epyc_7h12_firmware	amd epyc 7h12 firmware	eq	romepi-sp3_1.0.0.d

References

www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032

2.4 Low

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

4.7 Medium

AI Score

Confidence

High

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

0.0004 Low

EPSS

Percentile

12.4%

JSON

Related for CVE-2023-20528

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