CVE-2017-9527

The markcontextstack function in gc.c in mruby through 1.2.0 allows attackers to cause a denial of service (heap-based use-after-free and application crash) or possibly have unspecified other impact via a crafted .rb file.

References

Affected packages

Git / github.com/mruby/mruby

Affected ranges

Type: GIT
Repo: https://github.com/mruby/mruby
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Fixed

5c114c91d4ff31859fcd84cf8bf349b737b90d99

Affected versions

1.*

1.0.0

1.1.0

1.2.0

Database specific

{
    "vanir_signatures": [
        {
            "target": {
                "function": "mark_context_stack",
                "file": "src/gc.c"
            },
            "signature_type": "Function",
            "source": "https://github.com/mruby/mruby/commit/5c114c91d4ff31859fcd84cf8bf349b737b90d99",
            "id": "CVE-2017-9527-0b64423d",
            "signature_version": "v1",
            "deprecated": false,
            "digest": {
                "function_hash": "286219651794874583022066205112029788158",
                "length": 547.0
            }
        },
        {
            "target": {
                "file": "src/gc.c"
            },
            "signature_type": "Line",
            "source": "https://github.com/mruby/mruby/commit/5c114c91d4ff31859fcd84cf8bf349b737b90d99",
            "id": "CVE-2017-9527-76c1b6a1",
            "signature_version": "v1",
            "deprecated": false,
            "digest": {
                "line_hashes": [
                    "239328260997774354437319465623085189723",
                    "278749016881778886418842281945883168779",
                    "113515937360586162616117102418961035864",
                    "185062502001950100527544536542242255813",
                    "94831734521497849468177636311830953652",
                    "136229001971788190294863844937971499822",
                    "215219651310723059012235489279416079175",
                    "317851459485684649508170802408184894780",
                    "241504984179936146407905117891020266225",
                    "247869340733954520892314820391799532118",
                    "43035428114706040117447406129172114308",
                    "139392374937586911940466184861622959537",
                    "108587633537507210242609878158511307392",
                    "173878156555487118740790950504304142821",
                    "104076392047553672763771949455293999536"
                ],
                "threshold": 0.9
            }
        }
    ]
}