CVE-2021-30218

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Source
https://nvd.nist.gov/vuln/detail/CVE-2021-30218
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-30218.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-30218
Downstream
Related
Published
2021-04-29T15:15:11Z
Modified
2025-10-21T06:21:16.741119Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

samurai 1.2 has a NULL pointer dereference in writefile() in util.c via a crafted build file.

References

Affected packages

Git / github.com/michaelforney/samurai

Affected ranges

Type
GIT
Repo
https://github.com/michaelforney/samurai
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
e84b6d99c85043fa1ba54851ee500540ec206918

Affected versions

0.*

0.1
0.2
0.3
0.4
0.5
0.6
0.7

1.*

1.0
1.1
1.2

Database specific

vanir_signatures

[
    {
        "id": "CVE-2021-30218-a59c9422",
        "target": {
            "function": "writefile",
            "file": "util.c"
        },
        "digest": {
            "length": 371.0,
            "function_hash": "208479727932887472560017995287603309180"
        },
        "signature_version": "v1",
        "deprecated": false,
        "signature_type": "Function",
        "source": "https://github.com/michaelforney/samurai/commit/e84b6d99c85043fa1ba54851ee500540ec206918"
    },
    {
        "id": "CVE-2021-30218-b4bc9159",
        "target": {
            "file": "util.c"
        },
        "digest": {
            "line_hashes": [
                "81979215965542079586361518180416248158",
                "313316081933114147512047608084223636088",
                "292698495400644002514943506147566235223",
                "142674882540023490960305744839035336723"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "deprecated": false,
        "signature_type": "Line",
        "source": "https://github.com/michaelforney/samurai/commit/e84b6d99c85043fa1ba54851ee500540ec206918"
    }
]