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yubicoYubico.comYSA-2023-01
HistoryJan 03, 2023 - 12:00 a.m.

Security Advisory YSA-2023-01 - Yubico

2023-01-0300:00:00
Yubico.com
www.yubico.com
13
ysa-2023-01
yubico
pkcs11 module
yubihsm 2 sdk
object metadata
memory disclosure

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

37.4%

The PKCS11 module of the YubiHSM 2 SDK does not properly validate the length of specific read operations on object metadata which may lead to disclosure of uninitialized and previously used memory.

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

37.4%

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