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TI-2023-21454 Aliases CVE-2023-40661GHSA-2c2j-2pgv-gfgc

Opensc: multiple memory issues with pkcs15-init (enrollment tool)

Priority LOW 31CWE-119Published · Updated

Key facts

Attack vector
Physical
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 2 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.01318 70th percentileScored 2026-11-07
Fix Partial OpenSC: 0.24.0Red Hat: 2 advisoriesRed Hat: 2 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—OpenSCbefore 0.24.00.24.0Patch availableCNA
Red HatRed Hat Enterprise Linux 8—0.20.0-7.el8_9Patch availableCNA
Red HatRed Hat Enterprise Linux 9—0.23.0-3.el9_3Patch availableCNA
Red HatRed Hat Enterprise Linux 7——No fix listedCNA
  • OpenSC Vendor— Affected before 0.24.0 Fixed in 0.24.0 Patch available CNA
  • Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 0.20.0-7.el8_9 Patch available CNA
  • Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 0.23.0-3.el9_3 Patch available CNA
  • Red Hat Enterprise Linux 7 VendorRed Hat Affected — Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:*up to 0.23.0VulnerableOpenSC
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*8.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*9.0VulnerableRed Hat
  • cpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:* Versions up to 0.23.0 Vulnerable ·OpenSC
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Red Hat

Remediation

  • Fix · CNA OpenSC Fixed in 0.24.0

Red Hat 2 advisories

  • RHSA-2023:7876 Released 2023-12-19 · Red Hat rating Moderate
    opensc security update
    • Red Hat Enterprise Linux BaseOS (v. 8) opensc-0.20.0-7.el8_9
  • RHSA-2023:7879 Released 2023-12-19 · Red Hat rating Moderate
    opensc security update
    • Red Hat Enterprise Linux BaseOS (v. 9) opensc-0.23.0-3.el9_3

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 — RHSA-2023:7879

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2023-21453 Opensc: potential pin bypass when card tracks its own login statePriority LOW 33
    • TI-2023-04181 Opensc: out-of-bounds read in myeid driver handling encryption using symmetric keysPriority LOW 21
    Show all 3 records → Advisory →
  • Advisory ·

    Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 — RHSA-2023:7876

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2023-21453 Opensc: potential pin bypass when card tracks its own login statePriority LOW 33
    Show all 2 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2023:7876
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2023:7879

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-40661
  2. 2026-10-03 Alias added: GHSA-2c2j-2pgv-gfgc

References

Advisory 4

Other 3

  • TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-10530 Code injection in [UNKNOWN] RichFaces KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-23530 Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf… KEVCVSS 3.1CRITICAL 9.3
  • TI-2021-17490 mod_proxy SSRF KEVCVSS 3.1CRITICAL 9.0
See all 1955 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences