IM
IronMonkey Threat Research

CVE-2023-51384 MEDIUM

Published: 2023-12-18 | Last Modified: 2026-07-14 | Status: Modified

Description

In ssh-agent in OpenSSH before 9.6, certain destination constraints can be incompletely applied. When destination constraints are specified during addition of PKCS#11-hosted private keys, these constraints are only applied to the first key, even if a PKCS#11 token returns multiple keys.

Additional Descriptions (1)

En ssh-agent en OpenSSH anterior a 9.6, ciertas restricciones de destino se pueden aplicar de forma incompleta. Cuando se especifican restricciones de destino durante la adición de claves privadas alojadas en PKCS#11, estas restricciones solo se aplican a la primera clave, incluso si un token PKCS#11 devuelve varias claves.

CVSS Metrics

Base Score: 5.5 (MEDIUM)

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

Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactHIGH
Integrity ImpactNONE
Availability ImpactNONE

Source: [email protected]

Type: Primary

Exploitability Score: 1.8

Impact Score: 3.6

Weaknesses

Source Type Description
[email protected] Primary
en NVD-CWE-noinfo
134c704f-9b21-4f2e-91b3-4a467353bcc0 Secondary
en CWE-284

Affected Products

Vendor Product Version Update Type
openbsd openssh * <built-in method update of dict object at 0x702bdd12a3c0> Application
debian debian_linux 11.0 <built-in method update of dict object at 0x702b80ad83c0> Operating System
debian debian_linux 12.0 <built-in method update of dict object at 0x702bde537300> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Yes cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*

References

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