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ubuntucveUbuntu.comUB:CVE-2023-40661
HistoryNov 06, 2023 - 12:00 a.m.

CVE-2023-40661

2023-11-0600:00:00
ubuntu.com
ubuntu.com
10
opensc
card enrollment
memory vulnerabilities
compromise
key generation
certificate loading
usb
smart card
unix

6.4 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.5 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

5.1%

Several memory vulnerabilities were identified within the OpenSC packages,
particularly in the card enrollment process using pkcs15-init when a user
or administrator enrolls cards. To take advantage of these flaws, an
attacker must have physical access to the computer system and employ a
custom-crafted USB device or smart card to manipulate responses to APDUs.
This manipulation can potentially allow compromise key generation,
certificate loading, and other card management operations during
enrollment.

6.4 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.5 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

5.1%