CVE-2023-4535

Opensc: out-of-bounds read in myeid driver handling encryption using symmetric keys

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.

Category

4.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.20%
Vendor Advisory redhat.com Vendor Advisory github.com
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat Enterprise Linux 7
Affected: Red Hat Red Hat Enterprise Linux 8
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2023-4535?
CVE-2023-4535 has been scored as a medium severity vulnerability.
How to fix CVE-2023-4535?
To fix CVE-2023-4535, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-4535 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-4535 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-4535?
CVE-2023-4535 affects Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat Enterprise Linux 7, Red Hat Red Hat Enterprise Linux 8.
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