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
2026-09-22T15:22:15Z
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 

{
    "fixes":  [
        "https://android.googlesource.com/platform/external/ims/+/1a3d0d5bb846e8313bfe5219181afc8b1d1cfb21"
    ],
    "severity":  "Moderate",
    "spl":  "2022-12-01",
    "types":  [
        "EoP"
    ],
    "vanir_signatures":  [
        {
            "deprecated":  false,
            "digest":  {
                "line_hashes":  [
                    "32667535482999251504552308217893029360",
                    "222843283158753581516402587015120573532",
                    "51443829663246950227140423887322028393",
                    "333655954522793867955443221285273009014"
                ],
                "threshold":  0.9
            },
            "id":  "PUB-A-235100180-03275d38",
            "match_only_versions":  [
                "13"
            ],
            "signature_type":  "Line",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/platform/external/ims/+/1a3d0d5bb846e8313bfe5219181afc8b1d1cfb21",
            "target":  {
                "file":  "rcs/rcsservice/src/com/android/service/ims/RcsService.java"
            }
        },
        {
            "deprecated":  false,
            "digest":  {
                "function_hash":  "268927680633614983422039189214861129576",
                "length":  270
            },
            "id":  "PUB-A-235100180-61be8729",
            "match_only_versions":  [
                "13"
            ],
            "signature_type":  "Function",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/platform/external/ims/+/1a3d0d5bb846e8313bfe5219181afc8b1d1cfb21",
            "target":  {
                "file":  "rcs/rcsservice/src/com/android/service/ims/RcsService.java",
                "function":  "registerBroadcastReceiver"
            }
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/android-osv/PUB-A-235100180.json"