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cve[email protected]CVE-2023-52712
HistoryMay 28, 2024 - 7:15 a.m.

CVE-2023-52712

2024-05-2807:15:10
CWE-284
web.nvd.nist.gov
37
cve-2023-52712
exposed smi handler
amdpspp2cmboxv2
uefi phases
spi flash
smm memory
code execution

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

9.1%

Various Issues Due To Exposed SMI Handler in AmdPspP2CmboxV2. The first issue can be leveraged to bypass the protections that have been put in place by previous UEFI phases to prevent direct access to the SPI flash. The second issue can be used to both leak and corrupt SMM memory, thus potentially leading code execution in SMM

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "CurieM-WFG9B",
    "vendor": "Huawei",
    "versions": [
      {
        "status": "affected",
        "version": "OTA-CurieM-B-BIOS-2.28"
      }
    ]
  }
]

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

9.1%

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