6.8

CVE-2019-20792

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Opensc Project ≫ Opensc Version < 0.20.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.7% 0.482
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.8 0.9 5.9
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 4.6 3.9 6.4
AV:L/AC:L/Au:N/C:P/I:P/A:P
CWE-415 Double Free

The product calls free() twice on the same memory address.

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19208
Third Party Advisory
Exploit
https://github.com/OpenSC/OpenSC/commit/c246f6f69a749d4f68626b40795a4f69168008f4
Patch
Third Party Advisory
https://github.com/OpenSC/OpenSC/compare/0.19.0...0.20.0
Third Party Advisory
Release Notes