Vulnerability 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.
CVSS Score
6.8
MEDIUM
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Opensc Project | Opensc | < 0.20.0 |
Related Weaknesses (CWE)
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19208ExploitThird Party Advisory
- https://github.com/OpenSC/OpenSC/commit/c246f6f69a749d4f68626b40795a4f69168008f4PatchThird Party Advisory
- https://github.com/OpenSC/OpenSC/compare/0.19.0...0.20.0Release NotesThird Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19208ExploitThird Party Advisory
- https://github.com/OpenSC/OpenSC/commit/c246f6f69a749d4f68626b40795a4f69168008f4PatchThird Party Advisory
- https://github.com/OpenSC/OpenSC/compare/0.19.0...0.20.0Release NotesThird Party Advisory
FAQ
What is CVE-2019-20792?
CVE-2019-20792 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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.
How severe is CVE-2019-20792?
CVE-2019-20792 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-20792?
Check the references section above for vendor advisories and patch information. Affected products include: Opensc Project Opensc.