CVE & CISA-KEV Catalog

CVE-2023-4535

MEDIUM
4.5
CVSS v3
NVD

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.

How to fix

Remediation Available
openscDebian
Fixed in:0.23.0-0.3+deb12u1CVE-2023-4535
Fixed in:0.23.0-2CVE-2023-4535
Fixed in:0.23.0-2CVE-2023-4535
openscRed Hat / RHEL
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
openscRocky
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
opensc-debuginfoRed Hat / RHEL
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
opensc-debuginfoRocky
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
opensc-debugsourceRocky
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
opensc-debugsourceRed Hat / RHEL
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879
Fixed in:0:0.23.0-3.el9_3RHSA-2023:7879

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorPhysical
Attack ComplexityHigh
Privileges RequiredNone
User InteractionRequired
ScopeChanged

Impact

ConfidentialityLow
IntegrityLow
AvailabilityLow

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

Exploit Intelligence

0.47%probability of exploitation in 30 days
37thpercentile

Low risk: more likely to be exploited than 37% of all known CVEs.

References

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2014-0160High7.5100%KEVFix
CVE-2025-5777High7.5100%KEV + RansomFix
CVE-2021-4034High7.895%KEVFix
CVE-2023-21769High7.592%-Fix
CVE-2023-49285High8.689%-Fix
CVE-2020-8794Critical9.889%-Fix
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CVE-2023-4535 severity badge

Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.