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prionPRIOn knowledge basePRION:CVE-2023-4535
HistoryNov 06, 2023 - 5:15 p.m.

Cross site scripting

2023-11-0617:15:00
PRIOn knowledge base
www.prio-n.com
2
opensc
myeid
out-of-bounds read
vulnerability
symmetric key encryption
unauthorized access
sensitive data
system security

3.8 Low

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

6.5 Medium

AI Score

Confidence

Low

3.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:H/Au:N/C:P/I:P/A:P

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.

3.8 Low

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

6.5 Medium

AI Score

Confidence

Low

3.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:H/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

24.9%