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[email protected]CVE-2022-35894

HistorySep 22, 2022 - 6:15 p.m.

CVE-2022-35894

2022-09-2218:15:00

CWE-401

[email protected]

web.nvd.nist.gov

cve-2022-35894

insyde

insydeh2o

kernel 5.0

kernel 5.5

smi handler

fwblockservicesmm

information disclosure

nvd

6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.2 Medium

AI Score

Confidence

High

1.4 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

MULTIPLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

18.7%

JSON

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. The SMI handler for the FwBlockServiceSmm driver uses an untrusted pointer as the location to copy data to an attacker-specified buffer, leading to information disclosure.

CPENameOperatorVersion
insyde:insydeh2oinsyde insydeh2olt05.09.37
insyde:insydeh2oinsyde insydeh2olt5.17.37
insyde:insydeh2oinsyde insydeh2olt05.27.29
insyde:insydeh2oinsyde insydeh2olt05.36.29
insyde:insydeh2oinsyde insydeh2olt05.44.29
insyde:insydeh2oinsyde insydeh2olt05.52.29

CPE	Name	Operator	Version
insyde:insydeh2o	insyde insydeh2o	lt	05.09.37
insyde:insydeh2o	insyde insydeh2o	lt	5.17.37
insyde:insydeh2o	insyde insydeh2o	lt	05.27.29
insyde:insydeh2o	insyde insydeh2o	lt	05.36.29
insyde:insydeh2o	insyde insydeh2o	lt	05.44.29
insyde:insydeh2o	insyde insydeh2o	lt	05.52.29

References

binarly.io/advisories/BRLY-2022-018/index.html

www.insyde.com/security-pledge

www.insyde.com/security-pledge/SA-2022030

Social References

6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.2 Medium

AI Score

Confidence

High

1.4 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

MULTIPLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

18.7%

JSON

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