CVE-2019-20792

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Source
https://nvd.nist.gov/vuln/detail/CVE-2019-20792
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20792.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2019-20792
Downstream
Related
Published
2020-04-29T04:15:17Z
Modified
2025-10-14T16:58:32.656864Z
Severity
  • 6.8 (Medium) CVSS_V3 - CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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

References

Affected packages

Git / github.com/opensc/opensc

Affected ranges

Type
GIT
Repo
https://github.com/opensc/opensc
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
c246f6f69a749d4f68626b40795a4f69168008f4

Affected versions

0.*

0.12.2
0.12.2-rc1
0.13.0
0.13.0pre1
0.13.0rc1
0.14.0
0.14.0rc2
0.14.0rtm
0.15.0
0.16.0
0.16.0-rc1
0.16.0-rc2
0.17.0
0.17.0-rc1
0.17.0-rc2
0.18.0
0.18.0-rc1
0.18.0-rc2
0.19.0
0.19.0-rc1
0.20.0-rc1
0.20.0-rc2
0.20.0-rc3

v0.*

v0.12.2
v0.16.0-pre1

Database specific 

{
    "vanir_signatures": [
        {
            "signature_version": "v1",
            "target": {
                "file": "src/libopensc/card-coolkey.c"
            },
            "signature_type": "Line",
            "source": "https://github.com/opensc/opensc/commit/c246f6f69a749d4f68626b40795a4f69168008f4",
            "deprecated": false,
            "digest": {
                "line_hashes": [
                    "230985030794508757992760968719559967350",
                    "310435344726459438381937301013045244530",
                    "288673917574911987998876666203952460375"
                ],
                "threshold": 0.9
            },
            "id": "CVE-2019-20792-3c6d3c4a"
        },
        {
            "signature_version": "v1",
            "target": {
                "function": "coolkey_add_object",
                "file": "src/libopensc/card-coolkey.c"
            },
            "signature_type": "Function",
            "source": "https://github.com/opensc/opensc/commit/c246f6f69a749d4f68626b40795a4f69168008f4",
            "deprecated": false,
            "digest": {
                "length": 716.0,
                "function_hash": "81983556100758335818887154183925867305"
            },
            "id": "CVE-2019-20792-f5fba478"
        }
    ]
}