OpenSC up to 0.23.x MyEID Driver out-of-bounds

Summaryinfo

A vulnerability marked as problematic has been reported in OpenSC up to 0.23.x. The affected element is an unknown function of the component MyEID Driver. Performing a manipulation results in out-of-bounds. This vulnerability is identified as CVE-2023-4535. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in OpenSC up to 0.23.x. This affects an unknown code of the component MyEID Driver. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality. The summary by CVE is:

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.

The weakness was released 09/27/2023. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2023-4535 since 08/25/2023. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 242724 (NewStart CGSL MAIN 7.02 : opensc Multiple Vulnerabilities (NS-SA-2025-0119)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 0.24.0-rc1 eliminates this vulnerability. The upgrade is hosted for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (242724). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• OpenSC

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.19
• 0.20
• 0.21
• 0.22
• 0.23

License

• open-source

Website

• Product: https://github.com/OpenSC/OpenSC/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion