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redhatRedHatRHSA-2023:7879
HistoryDec 18, 2023 - 10:54 a.m.

(RHSA-2023:7879) Moderate: opensc security update

2023-12-1810:54:38
access.redhat.com
13
opensc
security update
smart cards
authentication
mail encryption
digital signatures
cve-2023-40660
cve-2023-40661
cve-2023-4535
memory issues
out-of-bounds read
myeid driver

CVSS3

6.6

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7

Confidence

Low

EPSS

0.001

Percentile

31.0%

The OpenSC set of libraries and utilities provides support for working with smart cards. OpenSC focuses on cards that support cryptographic operations and enables their use for authentication, mail encryption, or digital signatures.

Security Fix(es):

  • OpenSC: Potential PIN bypass when card tracks its own login state (CVE-2023-40660)

  • OpenSC: multiple memory issues with pkcs15-init (enrollment tool) (CVE-2023-40661)

  • OpenSC: out-of-bounds read in MyEID driver handling encryption using symmetric keys (CVE-2023-4535)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

CVSS3

6.6

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7

Confidence

Low

EPSS

0.001

Percentile

31.0%