CVE-2019-20792

Public Exploit

Description

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

Category

6.8
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.22%
Third-Party Advisory chromium.org Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19208 third party advisory exploit
https://github.com/OpenSC/OpenSC/commit/c246f6f69a749d4f68626b40795a4f69168008f4 third party advisory patch
https://github.com/OpenSC/OpenSC/compare/0.19.0...0.20.0 third party advisory release notes

Frequently Asked Questions

What is the severity of CVE-2019-20792?
CVE-2019-20792 has been scored as a medium severity vulnerability.
How to fix CVE-2019-20792?
To fix CVE-2019-20792, 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-2019-20792 being actively exploited in the wild?
It is possible that CVE-2019-20792 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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