Vulnerability Monitor

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CVE-2019-20792

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.

Published

2020-04-29T04:15:17.170

Last Modified

2024-11-21T04:39:22.617

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.8 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

6.4

Weaknesses

Type: Primary
CWE-415

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	opensc_project	opensc	< 0.20.0	Yes

References

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19208 Exploit, Third Party Advisory ([email protected])
https://github.com/OpenSC/OpenSC/commit/c246f6f69a749d4f68626b40795a4f69168008f4 Patch, Third Party Advisory ([email protected])
https://github.com/OpenSC/OpenSC/compare/0.19.0...0.20.0 Release Notes, Third Party Advisory ([email protected])
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19208 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/OpenSC/OpenSC/commit/c246f6f69a749d4f68626b40795a4f69168008f4 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/OpenSC/OpenSC/compare/0.19.0...0.20.0 Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)