CVE-2019-20792: Double Free

Published Apr 29, 2020
·
Updated

OpenSC before 0.20.0 has a double free in coolkeyfreeprivatedata because coolkeyaddobject in libopensc/card-coolkey.c lacks a uniqueness check.

Affected Software

1 affected component
Opensc Project Opensc<0.20.0

Event History

Apr 29, 2020
CVE Published
via MITRE·03:53 AM
Data Sourced
via MITRE·03:53 AM
Description
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Frequently Asked Questions

1

What is CVE-2019-20792?

CVE-2019-20792 is a vulnerability in OpenSC before version 0.20.0 that allows for a double free in the coolkey_free_private_data function.

2

How does CVE-2019-20792 affect OpenSC?

CVE-2019-20792 affects OpenSC versions up to but not including 0.20.0.

3

How severe is CVE-2019-20792?

CVE-2019-20792 has a severity rating of 6.8 (medium).

4

How can I fix CVE-2019-20792?

To fix CVE-2019-20792, update OpenSC to version 0.20.0 or higher.

5

What is the CWE ID for CVE-2019-20792?

The CWE ID for CVE-2019-20792 is 415.

Contact

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