PUB-A-235100180

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Import Source
https://storage.googleapis.com/android-osv/PUB-A-235100180.json
JSON Data
https://api.osv.dev/v1/vulns/PUB-A-235100180
Aliases
  • A-235100180
  • CVE-2022-20536
Published
2022-12-01T00:00:00Z
Modified
2025-10-24T15:26:23.750784Z
Summary
[none]
Details

In registerBroadcastReceiver of RcsService.java, there is a possible way to change preferred TTY mode due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

References

Affected packages

Android / platform/external/ims

Package

Name
platform/external/ims

Affected ranges

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

Affected versions

Other

13

Ecosystem specific 

{
    "types": [
        "EoP"
    ],
    "spl": "2022-12-01",
    "severity": "Moderate",
    "vanir_signatures": [
        {
            "deprecated": false,
            "source": "https://android.googlesource.com/platform/external/ims/+/1a3d0d5bb846e8313bfe5219181afc8b1d1cfb21",
            "id": "PUB-A-235100180-03275d38",
            "signature_version": "v1",
            "digest": {
                "line_hashes": [
                    "32667535482999251504552308217893029360",
                    "222843283158753581516402587015120573532",
                    "51443829663246950227140423887322028393",
                    "333655954522793867955443221285273009014"
                ],
                "threshold": 0.9
            },
            "target": {
                "file": "rcs/rcsservice/src/com/android/service/ims/RcsService.java"
            },
            "signature_type": "Line",
            "match_only_versions": [
                "13"
            ]
        },
        {
            "deprecated": false,
            "source": "https://android.googlesource.com/platform/external/ims/+/1a3d0d5bb846e8313bfe5219181afc8b1d1cfb21",
            "id": "PUB-A-235100180-61be8729",
            "signature_version": "v1",
            "digest": {
                "length": 270.0,
                "function_hash": "268927680633614983422039189214861129576"
            },
            "target": {
                "function": "registerBroadcastReceiver",
                "file": "rcs/rcsservice/src/com/android/service/ims/RcsService.java"
            },
            "signature_type": "Function",
            "match_only_versions": [
                "13"
            ]
        }
    ],
    "fixes": [
        "https://android.googlesource.com/platform/external/ims/+/1a3d0d5bb846e8313bfe5219181afc8b1d1cfb21"
    ]
}