CVE-2023-4535
Opensc: out-of-bounds read in myeid driver handling encryption using symmetric keys
CVSS Score
4.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-125 |
| Vendor | red hat |
| Product | red hat enterprise linux 9 |
| Published | Nov 6, 2023 |
| Last Updated | Nov 21, 2025 |
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CVSS v3 Breakdown
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L Attack Vector
Physical
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low
Affected Versions
Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected References
access.redhat.com: https://access.redhat.com/errata/RHSA-2023:7879 access.redhat.com: https://access.redhat.com/security/cve/CVE-2023-4535 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2240914 github.com: https://github.com/OpenSC/OpenSC/commit/f1993dc4e0b33050b8f72a3558ee88b24c4063b2 github.com: https://github.com/OpenSC/OpenSC/issues/2792#issuecomment-1674806651 github.com: https://github.com/OpenSC/OpenSC/releases/tag/0.24.0-rc1 github.com: https://github.com/OpenSC/OpenSC/wiki/OpenSC-security-advisories lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/3CPQOMCDWFRBMEFR5VK4N5MMXXU42ODE/ lists.fedoraproject.org: https://lists.fedoraproject.org/archives/list/[email protected]/message/GLYEFIBBA37TK3UNMZN5NOJ7IWCIXLQP/