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osvGoogleOSV:CVE-2022-47630
HistoryJan 16, 2023 - 4:15 p.m.

CVE-2022-47630

2023-01-1616:15:10
Google
osv.dev
4
trusted firmware-a
x.509 parser
out-of-bounds read
boot certificates
get_ext
auth_nvctr
microarchitectural state
software

7.4 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

7.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

50.0%

Trusted Firmware-A through 2.8 has an out-of-bounds read in the X.509 parser for parsing boot certificates. This affects downstream use of get_ext and auth_nvctr. Attackers might be able to trigger dangerous read side effects or obtain sensitive information about microarchitectural state.

7.4 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

7.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

50.0%