CVE-2023-49208

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Source
https://nvd.nist.gov/vuln/detail/CVE-2023-49208
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-49208.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-49208
Downstream
Published
2023-11-23T18:15:07Z
Modified
2025-10-16T10:18:05.668269Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

scheme/webauthn.c in Glewlwyd SSO server before 2.7.6 has a possible buffer overflow during FIDO2 credentials validation in webauthn registration.

References

Affected packages

Git / github.com/babelouest/glewlwyd

Affected ranges

Type
GIT
Repo
https://github.com/babelouest/glewlwyd
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
11f57ec345b2d12cdf777f694ff33a6a4f10361d
Fixed
f9d8c06aae8dfe17e761b18b577ff169e059e812

Affected versions

1.*

1.0
1.0.1
1.1
1.1.1
1.1.2
1.2
1.2.1
1.2.2

v1.*

v1.2.3
v1.2.4
v1.3
v1.3.1
v1.3.2
v1.3.2-b
v1.3.2-b.2
v1.3.2-b.3
v1.3.2-b.4
v1.3.2-b.5
v1.3.2-b.6
v1.3.3
v1.4.0
v1.4.1
v1.4.2
v1.4.3
v1.4.4
v1.4.6
v1.4.7
v1.4.8
v1.4.9

v2.*

v2.0.0
v2.0.0-b1
v2.0.0-b2
v2.0.0-b3
v2.0.0-rc1
v2.0.0-rc2
v2.1.0
v2.1.1
v2.2.0
v2.3.0
v2.3.1
v2.3.2
v2.4.0
v2.5.0
v2.5.1
v2.5.2
v2.5.3
v2.6.0
v2.6.1
v2.7.0
v2.7.1
v2.7.2
v2.7.3
v2.7.4
v2.7.5

Database specific

vanir_signatures

[
    {
        "signature_type": "Line",
        "id": "CVE-2023-49208-4a55c754",
        "source": "https://github.com/babelouest/glewlwyd/commit/f9d8c06aae8dfe17e761b18b577ff169e059e812",
        "signature_version": "v1",
        "target": {
            "file": "src/scheme/webauthn.c"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "3126521908514980276993701937661429416",
                "29460167690006000261515773344508394245",
                "87246177665545369795529146646593038208",
                "178857816088294456866092256009197415668",
                "253239706193554113251102059820029890699",
                "94868643169174739436906123308016492973",
                "220479176731007184207716098956164154908",
                "179946612665014277534457746097493345719",
                "319460748058759492024994930827503141686",
                "133578242049187467268492254494936622251"
            ]
        },
        "deprecated": false
    },
    {
        "signature_type": "Function",
        "id": "CVE-2023-49208-d01190f1",
        "source": "https://github.com/babelouest/glewlwyd/commit/f9d8c06aae8dfe17e761b18b577ff169e059e812",
        "signature_version": "v1",
        "target": {
            "function": "register_new_attestation",
            "file": "src/scheme/webauthn.c"
        },
        "digest": {
            "function_hash": "37318830477182553963243962174868194257",
            "length": 18374.0
        },
        "deprecated": false
    }
]