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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-4535
HistoryNov 06, 2023 - 5:15 p.m.

CVE-2023-4535

2023-11-0617:15:12
Debian Security Bug Tracker
security-tracker.debian.org
9
opensc
myeid
unauthorized access
sensitive data
usb device
vulnerability

4.5 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

6.2 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

24.9%

An out-of-bounds read vulnerability was found in OpenSC packages within the MyEID driver when handling symmetric key encryption. Exploiting this flaw requires an attacker to have physical access to the computer and a specially crafted USB device or smart card. This flaw allows the attacker to manipulate APDU responses and potentially gain unauthorized access to sensitive data, compromising the system’s security.

4.5 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

6.2 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

24.9%