Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2019-20792

Double Free

Published: Apr 29, 2020 | Modified: May 26, 2020
CVSS 3.x
6.8
MEDIUM
Source:
NVD
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
4.6 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2019-20792
CWEhttps://cwe.mitre.org/data/definitions/415.html

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.

Weakness

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

Affected Software

Name Vendor Start Version End Version
Opensc Opensc_project * 0.20.0 (excluding)

Potential Mitigations

References

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