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MitreCVE-2022-36337

HistoryNov 23, 2022 - 3:15 a.m.

CVE-2022-36337

2022-11-2303:15:10

CWE-787

mitre

web.nvd.nist.gov

insydeh2o

kernel

stack buffer overflow

vulnerability

mebxconfiguration

arbitrary code execution

uefi variable

bios code

cve-2022-36337

nvd

CVSS3

8.2

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.3

Confidence

High

EPSS

Percentile

12.6%

JSON

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. A stack buffer overflow vulnerability in the MebxConfiguration driver leads to arbitrary code execution. Control of a UEFI variable under the OS can cause this overflow when read by BIOS code.

Affected configurations

Nvd

Node

insydekernelRange5.0–5.5

VendorProductVersionCPE
insydekernel*cpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
insyde	kernel	*	cpe:2.3:o:insyde:kernel::::::::

References

www.insyde.com/security-pledge

www.insyde.com/security-pledge/SA-2022039

Social References

CVSS3

8.2

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.3

Confidence

High

EPSS

Percentile

12.6%

JSON

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