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AMDCVE-2023-20523

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

CVE-2023-20523

2023-01-1108:15:13

CWE-367

AMD

web.nvd.nist.gov

cve-2023-20523

toctou

asp

integrity

denial of service

CVSS3

5.7

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.1

Confidence

High

EPSS

0.001

Percentile

20.1%

JSON

TOCTOU in the ASP may allow a physical attacker to write beyond the buffer bounds, potentially leading to a loss of integrity or denial of service.

Affected configurations

Nvd

Node

amdepyc_7h12_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7h12Match-

Node

amdepyc_7f72_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7f72Match-

Node

amdepyc_7f52_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7f52Match-

Node

amdepyc_7f32_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7f32Match-

Node

amdepyc_7742_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7742Match-

Node

amdepyc_7702p_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7702pMatch-

Node

amdepyc_7702_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7702Match-

Node

amdepyc_7662_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7662Match-

Node

amdepyc_7642_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7642Match-

Node

amdepyc_7552_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7552Match-

Node

amdepyc_7542_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7542Match-

Node

amdepyc_7532_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7532Match-

Node

amdepyc_7502p_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7502pMatch-

Node

amdepyc_7502_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7502Match-

Node

amdepyc_7452_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7452Match-

Node

amdepyc_7402_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7402Match-

Node

amdepyc_7402p_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7402pMatch-

Node

amdepyc_7352_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7352Match-

Node

amdepyc_7302p_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7302pMatch-

Node

amdepyc_7302_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7302Match-

Node

amdepyc_7282_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7282Match-

Node

amdepyc_7272_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7272Match-

Node

amdepyc_7262_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7262Match-

Node

amdepyc_7252_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7252Match-

Node

amdepyc_7232p_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7232pMatch-

Node

amdepyc_7002_firmwareRange<romepi_1.0.0.c

AND

amdepyc_7002Match-

Node

amdepyc_7003_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_7003Match-

Node

amdepyc_72f3_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_72f3Match-

Node

amdepyc_7313_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_7313Match-

Node

amdepyc_7313p_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_7313pMatch-

Node

amdepyc_7343_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_7343Match-

Node

amdepyc_7373x_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_7373xMatch-

Node

amdepyc_73f3_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_73f3Match-

Node

amdepyc_7413_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_7413Match-

Node

amdepyc_7443_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_7443Match-

Node

amdepyc_7443p_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_7443pMatch-

Node

amdepyc_7453_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_7453Match-

Node

amdepyc_74f3_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_74f3Match-

Node

amdepyc_7513_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_7513Match-

Node

amdepyc_7543_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_7543Match-

Node

amdepyc_7543p_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_7543pMatch-

Node

amdepyc_7573x_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_7573xMatch-

Node

amdepyc_75f3_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_75f3Match-

Node

amdepyc_7643_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_7643Match-

Node

amdepyc_7663_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_7663Match-

Node

amdepyc_7713_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_7713Match-

Node

amdepyc_7713p_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_7713pMatch-

Node

amdepyc_7743_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_7743Match-

Node

amdepyc_7763_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_7763Match-

Node

amdepyc_7773x_firmwareRange<milanpi_1.0.0.5

AND

amdepyc_7773xMatch-

VendorProductVersionCPE
amdepyc_7h12_firmware*cpe:2.3:o:amd:epyc_7h12_firmware:*:*:*:*:*:*:*:*
amdepyc_7h12-cpe:2.3:h:amd:epyc_7h12:-:*:*:*:*:*:*:*
amdepyc_7f72_firmware*cpe:2.3:o:amd:epyc_7f72_firmware:*:*:*:*:*:*:*:*
amdepyc_7f72-cpe:2.3:h:amd:epyc_7f72:-:*:*:*:*:*:*:*
amdepyc_7f52_firmware*cpe:2.3:o:amd:epyc_7f52_firmware:*:*:*:*:*:*:*:*
amdepyc_7f52-cpe:2.3:h:amd:epyc_7f52:-:*:*:*:*:*:*:*
amdepyc_7f32_firmware*cpe:2.3:o:amd:epyc_7f32_firmware:*:*:*:*:*:*:*:*
amdepyc_7f32-cpe:2.3:h:amd:epyc_7f32:-:*:*:*:*:*:*:*
amdepyc_7742_firmware*cpe:2.3:o:amd:epyc_7742_firmware:*:*:*:*:*:*:*:*
amdepyc_7742-cpe:2.3:h:amd:epyc_7742:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
amd	epyc_7h12_firmware	*	cpe:2.3:o:amd:epyc_7h12_firmware::::::::
amd	epyc_7h12	-	cpe:2.3:h:amd:epyc_7h12:-:::::::*
amd	epyc_7f72_firmware	*	cpe:2.3:o:amd:epyc_7f72_firmware::::::::
amd	epyc_7f72	-	cpe:2.3:h:amd:epyc_7f72:-:::::::*
amd	epyc_7f52_firmware	*	cpe:2.3:o:amd:epyc_7f52_firmware::::::::
amd	epyc_7f52	-	cpe:2.3:h:amd:epyc_7f52:-:::::::*
amd	epyc_7f32_firmware	*	cpe:2.3:o:amd:epyc_7f32_firmware::::::::
amd	epyc_7f32	-	cpe:2.3:h:amd:epyc_7f32:-:::::::*
amd	epyc_7742_firmware	*	cpe:2.3:o:amd:epyc_7742_firmware::::::::
amd	epyc_7742	-	cpe:2.3:h:amd:epyc_7742:-:::::::*

Rows per page:

1-10 of 1001

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "packageName": "AGESA",
    "platforms": [
      "x86"
    ],
    "product": "2nd Gen EPYC",
    "vendor": " AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various "
      }
    ]
  },
  {
    "defaultStatus": "unaffected",
    "packageName": "AGESA",
    "platforms": [
      "x86"
    ],
    "product": "3rd Gen EPYC",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": "various "
      }
    ]
  }
]

References

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

CVSS3

5.7

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.1

Confidence

High

EPSS

0.001

Percentile

20.1%

JSON

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