CVE-2022-27240

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Source
https://cve.org/CVERecord?id=CVE-2022-27240
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-27240.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-27240
Downstream
Published
2022-03-18T05:55:25Z
Modified
2026-08-12T13:01:14Z
Summary
[none]
Details

scheme/webauthn.c in Glewlwyd SSO server 2.x before 2.6.2 has a buffer overflow associated with a webauthn assertion.

Database specific 
{
    "cna_assigner":  "mitre",
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/27xxx/CVE-2022-27240.json"
}
References

Affected packages

Git / github.com/babelouest/glewlwyd

Affected ranges

Type
GIT
Repo
https://github.com/babelouest/glewlwyd
Events
Introduced
9ff7a039b873666099ad306bef0c13082902d39a
Fixed
d147ccd0c493b1fad5a2bcd2a9a5c6d3fda9ae1c
Fixed
4c5597c155bfbaf6491cf6b83479d241ae66940a
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:glewlwyd_sso_server_project:glewlwyd_sso_server:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "2.0.0"
        },
        {
            "fixed":  "2.6.2"
        }
    ],
    "source":  [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

v2.*
v2.0.0
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

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-27240.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "220808046081210396080077479638927040481",
                "57273834636401937923658788307504268900",
                "313108989129243707049059965441053762188",
                "228164923958231496861717270284664263050",
                "234309396422907365673195692716210437506",
                "231881941146739342230003207148563531694",
                "169004794240369310944560637058773310332",
                "336525734495495921256508124459061621204"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2022-27240-63f1fb6a",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/babelouest/glewlwyd/commit/4c5597c155bfbaf6491cf6b83479d241ae66940a",
        "target":  {
            "file":  "src/scheme/webauthn.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "57275488854267954372487593094167411292",
            "length":  10261
        },
        "id":  "CVE-2022-27240-9a76c3ff",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/babelouest/glewlwyd/commit/4c5597c155bfbaf6491cf6b83479d241ae66940a",
        "target":  {
            "file":  "src/scheme/webauthn.c",
            "function":  "check_assertion"
        }
    }
]
vanir_signatures_modified 
"2026-08-12T13:01:14Z"