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alpinelinuxAlpine Linux Development TeamALPINE:CVE-2023-28531
HistoryMar 17, 2023 - 4:15 a.m.

CVE-2023-28531

2023-03-1704:15:14
Alpine Linux Development Team
security.alpinelinux.org
44
cve-2023-28531
smartcard keys
ssh-agent
destination constraints
openssh

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

46.7%

ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints. The earliest affected version is 8.9.

OSVersionArchitecturePackageVersionFilename
Alpine3.16-mainnoarchopenssh< 9.0_p1-r3UNKNOWN
Alpine3.17-mainnoarchopenssh< 9.1_p1-r3UNKNOWN

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

46.7%