CVE-2018-16427 : Vulnerability Insights and Analysis

A vulnerability in OpenSC versions prior to 0.19.0-rc1 could allow attackers to crash the opensc library by exploiting unauthorized data access.

Understanding CVE-2018-16427

Attackers with customized smartcards could potentially crash the opensc library by exploiting unauthorized data access in OpenSC versions before 0.19.0-rc1.

What is CVE-2018-16427?

Various out-of-bounds reads when handling responses in OpenSC before 0.19.0-rc1 could be exploited by attackers supplying crafted smartcards to crash the opensc library.

The Impact of CVE-2018-16427

Attackers with the ability to provide customized smartcards could crash the opensc library.

Technical Details of CVE-2018-16427

The technical details of the vulnerability in OpenSC versions prior to 0.19.0-rc1.

Vulnerability Description

Exploiting unauthorized data access in OpenSC versions before 0.19.0-rc1 could crash the opensc library.

Affected Systems and Versions

Product: n/a
Vendor: n/a
Versions affected: OpenSC versions prior to 0.19.0-rc1

Exploitation Mechanism

Crafted smartcards could be used by attackers to crash the opensc library.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2018-16427 vulnerability.

Immediate Steps to Take

Update OpenSC to version 0.19.0-rc1 or later.
Monitor for any unauthorized data access attempts.

Long-Term Security Practices

Regularly update and patch OpenSC to the latest version.
Implement access controls to prevent unauthorized data access.

Patching and Updates

Apply security updates provided by OpenSC to address the vulnerability.