vulnerability
Red Hat: CVE-2023-4535: OpenSC: out-of-bounds read in MyEID driver handling encryption using symmetric keys (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:H/Au:N/C:P/I:P/A:P) | Nov 6, 2023 | Dec 20, 2023 | Mar 27, 2026 |
Severity
4
CVSS
(AV:L/AC:H/Au:N/C:P/I:P/A:P)
Published
Nov 6, 2023
Added
Dec 20, 2023
Modified
Mar 27, 2026
Description
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.
Solutions
redhat-upgrade-openscredhat-upgrade-opensc-debuginforedhat-upgrade-opensc-debugsource
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.