PUB-A-246194233

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Import Source
https://storage.googleapis.com/android-osv/PUB-A-246194233.json
JSON Data
https://api.osv.dev/v1/vulns/PUB-A-246194233
Aliases
  • A-246194233
  • CVE-2022-20555
Published
2022-12-01T00:00:00Z
Modified
2024-11-06T12:16:03.231308Z
Summary
[none]
Details

In ufdtgetnodebypathlen of ufdtconvert.c, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.

References

Affected packages

Android / platform/system/libufdt

Package

Name
platform/system/libufdt

Affected ranges

Type
ECOSYSTEM
Events
Introduced
13:0
Fixed
13:2022-12-01

Affected versions

Other

13

Ecosystem specific 

{
    "vanir_signatures": [
        {
            "match_only_versions": [
                "13"
            ],
            "digest": {
                "length": 633.0,
                "function_hash": "31534112951051885961626345987427287572"
            },
            "id": "PUB-A-246194233-1fd2c41a",
            "source": "https://android.googlesource.com/platform/system/libufdt/+/234b63776ec124bbd9f5e19b7fd1504966e2703a",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "ufdt_convert.c",
                "function": "ufdt_get_node_by_path_len"
            },
            "signature_type": "Function"
        },
        {
            "match_only_versions": [
                "13"
            ],
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "83757736211675648096187484761578628180",
                    "226246856054325188365302774104751738140",
                    "221982115710785921729572647795329715083",
                    "297678899782898885432409520256776963749",
                    "308684250075690242281098377585041055707",
                    "264372357079069708951312261234024557209",
                    "157471818692844770083447603081116857886",
                    "182709770165152014563914828672853833918",
                    "267901867295275700136597283893710993329"
                ]
            },
            "id": "PUB-A-246194233-5390f2ae",
            "source": "https://android.googlesource.com/platform/system/libufdt/+/234b63776ec124bbd9f5e19b7fd1504966e2703a",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "ufdt_convert.c"
            },
            "signature_type": "Line"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/platform/system/libufdt/+/234b63776ec124bbd9f5e19b7fd1504966e2703a"
    ],
    "spl": "2022-12-01",
    "severity": "Moderate",
    "types": [
        "ID"
    ]
}