CVE-2023-28531

2023-03-1704:15:14

[email protected]

web.nvd.nist.gov

cve-2023-28531

openssh

ssh-add

smartcard keys

vulnerability

ssh-agent

per-hop destination constraints

CVSS3

9.8

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

AI Score

9.3

Confidence

High

EPSS

0.001

Percentile

50.8%

JSON

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.

Affected configurations

Nvd

Node

openbsdopensshRange8.9–9.3

Node

netappbrocade_fabric_operating_systemMatch-

netapphci_bootstrap_osMatch-

netappsolidfire_element_osMatch-

VendorProductVersionCPE
openbsdopenssh*cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*
netappbrocade_fabric_operating_system-cpe:2.3:o:netapp:brocade_fabric_operating_system:-:*:*:*:*:*:*:*
netapphci_bootstrap_os-cpe:2.3:o:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:*
netappsolidfire_element_os-cpe:2.3:o:netapp:solidfire_element_os:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
openbsd	openssh	*	cpe:2.3:a:openbsd:openssh::::::::
netapp	brocade_fabric_operating_system	-	cpe:2.3:o:netapp:brocade_fabric_operating_system:-:::::::*
netapp	hci_bootstrap_os	-	cpe:2.3:o:netapp:hci_bootstrap_os:-:::::::*
netapp	solidfire_element_os	-	cpe:2.3:o:netapp:solidfire_element_os:-:::::::*