ASB-A-329230490

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-329230490.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-329230490
Aliases
  • A-329230490
  • CVE-2024-31320
Published
2024-07-01T00:00:00Z
Modified
2024-08-07T19:29:22.392518Z
Summary
In CompanionDeviceManagerService there is a lack of Parcelable value check which could lead to bypass of BAL restriction
Details

In setSkipPrompt of AssociationRequest.java , there is a possible way to establish a companion device association without any confirmation due to CDM. 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/frameworks/base

Package

Name
platform/frameworks/base

Affected ranges

Type
ECOSYSTEM
Events
Introduced
12:0
Fixed
12:2024-07-01

Affected versions

Other

12

Ecosystem specific 

{
    "vanir_signatures": [
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "67950038913822548496977403571025662121",
                    "222725767583171763006265824348111716351",
                    "286500330299365691393581685729299877668",
                    "166044803054551522655759985343015696389",
                    "151376619027520813586001682013091186310",
                    "194068989226376155571126814800988254819",
                    "257382018809139542673220738604381729552"
                ]
            },
            "id": "ASB-A-329230490-6b902821",
            "source": "https://android.googlesource.com/platform/frameworks/base/+/71418ecfa539b99d9bb0053d1de5060040bdf02f",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java"
            },
            "signature_type": "Line"
        },
        {
            "digest": {
                "length": 1588.0,
                "function_hash": "37463952415737052809221431915743857188"
            },
            "id": "ASB-A-329230490-a592a235",
            "source": "https://android.googlesource.com/platform/frameworks/base/+/71418ecfa539b99d9bb0053d1de5060040bdf02f",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java",
                "function": "associate"
            },
            "signature_type": "Function"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/platform/frameworks/base/+/56ac420b653da3f716f37a77780d7a74bc5fc439",
        "https://android.googlesource.com/platform/frameworks/base/+/71418ecfa539b99d9bb0053d1de5060040bdf02f"
    ],
    "spl": "2024-07-01",
    "severity": "Critical",
    "types": [
        "EoP"
    ]
}

Android / platform/frameworks/base

Package

Name
platform/frameworks/base

Affected ranges

Type
ECOSYSTEM
Events
Introduced
12L:0
Fixed
12L:2024-07-01

Affected versions

Other

12L

Ecosystem specific 

{
    "vanir_signatures": [
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "67950038913822548496977403571025662121",
                    "222725767583171763006265824348111716351",
                    "286500330299365691393581685729299877668",
                    "166044803054551522655759985343015696389",
                    "151376619027520813586001682013091186310",
                    "194068989226376155571126814800988254819",
                    "257382018809139542673220738604381729552"
                ]
            },
            "id": "ASB-A-329230490-3f23a8b1",
            "source": "https://android.googlesource.com/platform/frameworks/base/+/f28e88e53d57779fff5900d1811ffa07ab174640",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java"
            },
            "signature_type": "Line"
        },
        {
            "digest": {
                "length": 1683.0,
                "function_hash": "65861310754994395892854568185787642004"
            },
            "id": "ASB-A-329230490-8ac5bf9f",
            "source": "https://android.googlesource.com/platform/frameworks/base/+/f28e88e53d57779fff5900d1811ffa07ab174640",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java",
                "function": "associate"
            },
            "signature_type": "Function"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/platform/frameworks/base/+/be2e3b05858ba7a6349f5487d2658d00853b11cd",
        "https://android.googlesource.com/platform/frameworks/base/+/f28e88e53d57779fff5900d1811ffa07ab174640"
    ],
    "spl": "2024-07-01",
    "severity": "Critical",
    "types": [
        "EoP"
    ]
}