Out-of-bounds Read Affecting opensc package, versions <0:0.23.0-3.el9_3


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.06% (28th percentile)

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  • Snyk IDSNYK-RHEL9-OPENSC-7876900
  • published3 Sept 2024
  • disclosed25 Sept 2023

Introduced: 25 Sep 2023

CVE-2023-4535  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade RHEL:9 opensc to version 0:0.23.0-3.el9_3 or higher.
This issue was patched in RHSA-2023:7879.

NVD Description

Note: Versions mentioned in the description apply only to the upstream opensc package and not the opensc package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

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.

CVSS Scores

version 3.1