CVE-2019-9578

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Source
https://nvd.nist.gov/vuln/detail/CVE-2019-9578
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-9578.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2019-9578
Downstream
Related
Published
2019-03-05T23:29:02Z
Modified
2025-10-15T11:16:29.556167Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In devs.c in Yubico libu2f-host before 1.1.8, the response to init is misparsed, leaking uninitialized stack memory back to the device.

References

Affected packages

Git / github.com/yubico/libu2f-host

Affected ranges

Type
GIT
Repo
https://github.com/yubico/libu2f-host
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
e4bb58cc8b6202a421e65f8230217d8ae6e16eb5

Affected versions

libu2f-host-0.*

libu2f-host-0.0
libu2f-host-0.0.1
libu2f-host-0.0.2
libu2f-host-0.0.3
libu2f-host-0.0.4

libu2f-host-1.*

libu2f-host-1.0.0
libu2f-host-1.1.0
libu2f-host-1.1.1
libu2f-host-1.1.2
libu2f-host-1.1.3
libu2f-host-1.1.4
libu2f-host-1.1.5
libu2f-host-1.1.6
libu2f-host-1.1.7

Database specific

vanir_signatures

[
    {
        "signature_version": "v1",
        "signature_type": "Line",
        "deprecated": false,
        "id": "CVE-2019-9578-240562e0",
        "target": {
            "file": "u2f-host/devs.c"
        },
        "source": "https://github.com/yubico/libu2f-host/commit/e4bb58cc8b6202a421e65f8230217d8ae6e16eb5",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
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            ]
        }
    },
    {
        "signature_version": "v1",
        "signature_type": "Function",
        "deprecated": false,
        "id": "CVE-2019-9578-c6e7e14f",
        "target": {
            "function": "init_device",
            "file": "u2f-host/devs.c"
        },
        "source": "https://github.com/yubico/libu2f-host/commit/e4bb58cc8b6202a421e65f8230217d8ae6e16eb5",
        "digest": {
            "function_hash": "147196423138426783156581629780352000219",
            "length": 712.0
        }
    }
]