CVE-2022-23462

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Source

https://nvd.nist.gov/vuln/detail/CVE-2022-23462

Import Source

https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-23462.json

JSON Data

https://api.test.osv.dev/v1/vulns/CVE-2022-23462

Published

2022-10-21T00:00:00Z

Modified

2025-10-30T19:59:40.224453Z

Severity

6.2 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator

Summary

Stack Buffer Overflow in iowow

Details

IOWOW is a C utility library and persistent key/value storage engine. Versions 1.4.15 and prior contain a stack buffer overflow vulnerability that allows for Denial of Service (DOS) when it parses scientific notation numbers present in JSON. A patch for this issue is available at commit a79d31e4cff1d5a08f665574b29fd885897a28fd in the master branch of the repository. There are no workarounds other than applying the patch.

Database specific

{
    "cwe_ids": [
        "CWE-120",
        "CWE-121"
    ]
}

References

Affected packages

Git / github.com/softmotions/iowow

Affected ranges

Type: GIT
Repo: https://github.com/softmotions/iowow
Events: Introduced

29681afe8cd0ca902fa4a9c035ade10c74671047

Fixed

a79d31e4cff1d5a08f665574b29fd885897a28fd

Affected versions

v1.*

v1.4.15

Database specific

vanir_signatures

[
    {
        "id": "CVE-2022-23462-559eb48a",
        "signature_type": "Line",
        "source": "https://github.com/softmotions/iowow/commit/a79d31e4cff1d5a08f665574b29fd885897a28fd",
        "target": {
            "file": "src/json/iwjson.c"
        },
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "766796156551109928825463158941420793",
                "313399920557574803183991637749823479472",
                "263177828327602983841948426301284726313",
                "213023140891930593254087780782341736838"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1"
    },
    {
        "id": "CVE-2022-23462-894648ee",
        "signature_type": "Function",
        "source": "https://github.com/softmotions/iowow/commit/a79d31e4cff1d5a08f665574b29fd885897a28fd",
        "target": {
            "file": "src/json/iwjson.c",
            "function": "iwjson_ftoa"
        },
        "deprecated": false,
        "digest": {
            "length": 412.0,
            "function_hash": "15614091112779079732806033214521365388"
        },
        "signature_version": "v1"
    }
]