CVE-2018-12249

An issue was discovered in mruby 1.4.1. There is a NULL pointer dereference in mrbclassreal because "class BasicObject" is not properly supported in class.c.

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

faa4eaf6803bd11669bc324b4c34e7162286bfa3

Affected versions

1.*

1.0.0

1.1.0

1.2.0

1.3.0

1.4.0

1.4.1

Database specific

vanir_signatures

[
    {
        "deprecated": false,
        "target": {
            "file": "src/class.c"
        },
        "source": "https://github.com/mruby/mruby/commit/faa4eaf6803bd11669bc324b4c34e7162286bfa3",
        "digest": {
            "line_hashes": [
                "155455186924564632680250180701856630044",
                "264202324149182625447183625422316271751",
                "94991482216256460482615044015629407054",
                "150556608830758180902443676307007741603",
                "321360138958576321008453714337982509634",
                "243470259043269232215136070449174223738",
                "136177192398406707742052394993833219302"
            ],
            "threshold": 0.9
        },
        "signature_type": "Line",
        "signature_version": "v1",
        "id": "CVE-2018-12249-77433845"
    },
    {
        "deprecated": false,
        "target": {
            "function": "mrb_class_real",
            "file": "src/class.c"
        },
        "source": "https://github.com/mruby/mruby/commit/faa4eaf6803bd11669bc324b4c34e7162286bfa3",
        "digest": {
            "function_hash": "252883612165395493998660936045010458921",
            "length": 193.0
        },
        "signature_type": "Function",
        "signature_version": "v1",
        "id": "CVE-2018-12249-b11698cf"
    }
]

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-12249.json"