CVE-2020-26570

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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-26570
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26570.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-26570
Downstream
Related
Published
2020-10-06T02:15:12Z
Modified
2025-10-21T05:48:50.399234Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

The Oberthur smart card software driver in OpenSC before 0.21.0-rc1 has a heap-based buffer overflow in scoberthurread_file.

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
6903aebfddc466d966c7b865fae34572bf3ed23e

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
0.20.0-rc1
0.20.0-rc2
0.20.0-rc3
0.20.0-rc4

v0.*

v0.12.2
v0.16.0-pre1

Database specific

vanir_signatures

[
    {
        "source": "https://github.com/opensc/opensc/commit/6903aebfddc466d966c7b865fae34572bf3ed23e",
        "id": "CVE-2020-26570-084e85fd",
        "deprecated": false,
        "signature_version": "v1",
        "target": {
            "file": "src/libopensc/pkcs15-oberthur.c"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "296330052860174509237775165804406857386",
                "244157986531433416436298344378663818487",
                "208350302135471509131891751559514547061",
                "247359544980144280440317914934986616952",
                "273011554056298804416965627231405202824",
                "9348176036366894479978468326619964069",
                "279025798764699565876518821033943256156"
            ]
        },
        "signature_type": "Line"
    },
    {
        "source": "https://github.com/opensc/opensc/commit/6903aebfddc466d966c7b865fae34572bf3ed23e",
        "id": "CVE-2020-26570-d6b99868",
        "deprecated": false,
        "signature_version": "v1",
        "target": {
            "function": "sc_oberthur_read_file",
            "file": "src/libopensc/pkcs15-oberthur.c"
        },
        "digest": {
            "length": 2637.0,
            "function_hash": "264061215140907092068901924200830202220"
        },
        "signature_type": "Function"
    }
]