PUB-A-192743373

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Import Source

https://storage.googleapis.com/android-osv/PUB-A-192743373.json

JSON Data

https://api.osv.dev/v1/vulns/PUB-A-192743373

Aliases

A-192743373
CVE-2022-20208

Published

2022-06-01T00:00:00Z

Modified

2025-07-10T15:11:05.955812Z

Summary

[none]

Details

In parseRecursively of cppbor_parse.cpp, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.

References

https://source.android.com/security/bulletin/2022-06-01

Affected packages

Android / platform/external/libcppbor

Package

Name: platform/external/libcppbor

Affected ranges

Type: ECOSYSTEM
Events: Introduced

12L-next:0

Fixed

12L-next:2022-06-01

Affected versions

Other

12L-next

Ecosystem specific

{
    "fixes": [
        "https://android.googlesource.com/platform/external/libcppbor/+/8f4908840cdd9cc2fe0442033516a273046598a2"
    ],
    "vanir_signatures": [
        {
            "id": "PUB-A-192743373-2b12aa34",
            "deprecated": false,
            "match_only_versions": [
                "12L-next"
            ],
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "214006676979829370022855787617958720337",
                    "46798976866392512249732004896809236455",
                    "87780555174337280066216474256317773261",
                    "237927448834004137610321113279073805263"
                ]
            },
            "source": "https://android.googlesource.com/platform/external/libcppbor/+/8f4908840cdd9cc2fe0442033516a273046598a2",
            "signature_type": "Line",
            "target": {
                "file": "src/cppbor_parse.cpp"
            },
            "signature_version": "v1"
        },
        {
            "id": "PUB-A-192743373-ac264d66",
            "deprecated": false,
            "match_only_versions": [
                "12L-next"
            ],
            "digest": {
                "length": 2335.0,
                "function_hash": "260938830239941536222508966363509555935"
            },
            "source": "https://android.googlesource.com/platform/external/libcppbor/+/8f4908840cdd9cc2fe0442033516a273046598a2",
            "signature_type": "Function",
            "target": {
                "function": "parseRecursively",
                "file": "src/cppbor_parse.cpp"
            },
            "signature_version": "v1"
        }
    ],
    "severity": "Moderate",
    "types": [
        "ID"
    ],
    "spl": "2022-06-01"
}