CVE-2023-4535 Opensc: out-of-bounds read in myeid driver handling encryption using symmetric keys

What is CVE-2023-4535?

CVE-2023-4535 is a medium-severity vulnerability in Fedoraproject Fedora, published on 6 Nov 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-125

Which versions are affected by CVE-2023-4535?

It affects 3 products.

Products include Fedoraproject Fedora, Opensc Project Opensc, Redhat Enterprise Linux.

How do I fix CVE-2023-4535?

Apply the vendor's patch.

Is CVE-2023-4535 being exploited?

There is no known exploitation of CVE-2023-4535 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-31945, AZL-35076, DEBIAN-CVE-2023-4535, GHSA-phh2-j3h6-vqr9.