ASB-A-218495634

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-218495634.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-218495634
Aliases
  • A-218495634
  • CVE-2023-21267
Published
2024-04-01T00:00:00Z
Modified
2025-12-17T16:44:36.179549Z
Summary
[none]
Details

In multiple functions of KeyguardViewMediator.java, there is a possible way to bypass lockdown mode with screen pinning due to a logic error in the code. This could lead to local information disclosure 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
14-next:0
Fixed
14-next:2024-04-01

Affected versions

Other

14-next

Ecosystem specific 

{
    "spl": "2024-04-01",
    "vanir_signatures": [
        {
            "signature_version": "v1",
            "deprecated": false,
            "signature_type": "Function",
            "match_only_versions": [
                "14-next"
            ],
            "target": {
                "function": "doKeyguardLocked",
                "file": "packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java"
            },
            "source": "https://android.googlesource.com/platform/frameworks/base/+/eaa129138096bc00b663bca93a5af9786aa47154",
            "digest": {
                "function_hash": "304035088418154940298140047792083108653",
                "length": 1765.0
            },
            "id": "ASB-A-218495634-3ee4b5f4"
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
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                    "338814834109456929542983709409882127925",
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                    "130348584427896853783720480792833319267",
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                    "79579155316272236099396944078956801381",
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                ]
            },
            "target": {
                "file": "packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java"
            },
            "signature_version": "v1",
            "deprecated": false,
            "source": "https://android.googlesource.com/platform/frameworks/base/+/5fba6ecb07c70dfc229a63249bf105c09ebea5b3",
            "signature_type": "Line",
            "id": "ASB-A-218495634-45038a40"
        },
        {
            "digest": {
                "function_hash": "284928268195077554313356089549994834202",
                "length": 1690.0
            },
            "target": {
                "function": "doKeyguardLocked",
                "file": "packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java"
            },
            "signature_version": "v1",
            "deprecated": false,
            "source": "https://android.googlesource.com/platform/frameworks/base/+/6962dbcd2eaf91552eb243aff0c0b95e567d27ca",
            "signature_type": "Function",
            "id": "ASB-A-218495634-61e9f168"
        },
        {
            "digest": {
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                "length": 1058.0
            },
            "target": {
                "function": "setKeyguardEnabled",
                "file": "packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java"
            },
            "signature_version": "v1",
            "deprecated": false,
            "source": "https://android.googlesource.com/platform/frameworks/base/+/5fba6ecb07c70dfc229a63249bf105c09ebea5b3",
            "signature_type": "Function",
            "id": "ASB-A-218495634-6e660d0f"
        },
        {
            "digest": {
                "function_hash": "282054692786184338632886146874546627123",
                "length": 1899.0
            },
            "target": {
                "function": "doKeyguardLocked",
                "file": "packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java"
            },
            "signature_version": "v1",
            "deprecated": false,
            "source": "https://android.googlesource.com/platform/frameworks/base/+/5fba6ecb07c70dfc229a63249bf105c09ebea5b3",
            "signature_type": "Function",
            "id": "ASB-A-218495634-6ece7b7c"
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        {
            "digest": {
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            },
            "target": {
                "file": "packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java"
            },
            "signature_version": "v1",
            "deprecated": false,
            "source": "https://android.googlesource.com/platform/frameworks/base/+/6962dbcd2eaf91552eb243aff0c0b95e567d27ca",
            "signature_type": "Line",
            "id": "ASB-A-218495634-93272fe3"
        },
        {
            "digest": {
                "function_hash": "164145264476987166990141801887261171742",
                "length": 126.0
            },
            "target": {
                "function": "isUserInLockdown",
                "file": "core/java/com/android/internal/widget/LockPatternUtils.java"
            },
            "signature_version": "v1",
            "deprecated": false,
            "source": "https://android.googlesource.com/platform/frameworks/base/+/d341f1ecdb011d24b17358f115391b3f997cb179",
            "signature_type": "Function",
            "id": "ASB-A-218495634-af6d0406"
        },
        {
            "digest": {
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            },
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            "deprecated": false,
            "source": "https://android.googlesource.com/platform/frameworks/base/+/d341f1ecdb011d24b17358f115391b3f997cb179",
            "signature_type": "Line",
            "id": "ASB-A-218495634-c0ab722f"
        }
    ],
    "types": [
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    ],
    "fixes": [
        "https://android.googlesource.com/platform/frameworks/base/+/6962dbcd2eaf91552eb243aff0c0b95e567d27ca",
        "https://android.googlesource.com/platform/frameworks/base/+/eaa129138096bc00b663bca93a5af9786aa47154",
        "https://android.googlesource.com/platform/frameworks/base/+/5fba6ecb07c70dfc229a63249bf105c09ebea5b3",
        "https://android.googlesource.com/platform/frameworks/base/+/d341f1ecdb011d24b17358f115391b3f997cb179"
    ],
    "severity": "High"
}

platform/frameworks/base

Package

Name
platform/frameworks/base

Affected ranges

Type
ECOSYSTEM
Events
Introduced
12:0
Fixed
12:2024-04-01

Affected versions

Other

12

Ecosystem specific 

{
    "spl": "2024-04-01",
    "vanir_signatures": [
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
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                ]
            },
            "target": {
                "file": "packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java"
            },
            "signature_version": "v1",
            "deprecated": false,
            "source": "https://android.googlesource.com/platform/frameworks/base/+/35a6e2f2c952440b1102033b2c3e496438503cff",
            "signature_type": "Line",
            "id": "ASB-A-218495634-12705bdb"
        },
        {
            "digest": {
                "function_hash": "29627298081105970609613652423815629009",
                "length": 1800.0
            },
            "target": {
                "function": "doKeyguardLocked",
                "file": "packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java"
            },
            "signature_version": "v1",
            "deprecated": false,
            "source": "https://android.googlesource.com/platform/frameworks/base/+/b23c2d5fb6630ea0da503b937f62880594b13e94",
            "signature_type": "Function",
            "id": "ASB-A-218495634-2f9772be"
        },
        {
            "signature_version": "v1",
            "deprecated": false,
            "signature_type": "Line",
            "match_only_versions": [
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            ],
            "target": {
                "file": "packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java"
            },
            "source": "https://android.googlesource.com/platform/frameworks/base/+/f57217125f2b124c16c463ef4507fb054cc1ba4f",
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
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                    "71450432977344244041028199960832290641"
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            },
            "id": "ASB-A-218495634-40c02f03"
        },
        {
            "digest": {
                "function_hash": "164145264476987166990141801887261171742",
                "length": 126.0
            },
            "target": {
                "function": "isUserInLockdown",
                "file": "core/java/com/android/internal/widget/LockPatternUtils.java"
            },
            "signature_version": "v1",
            "deprecated": false,
            "source": "https://android.googlesource.com/platform/frameworks/base/+/ce7ca2d9f405c94062504411c886eff93bd7ce15",
            "signature_type": "Function",
            "id": "ASB-A-218495634-483d9aab"
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        {
            "digest": {
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            "target": {
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            "source": "https://android.googlesource.com/platform/frameworks/base/+/ce7ca2d9f405c94062504411c886eff93bd7ce15",
            "signature_type": "Line",
            "id": "ASB-A-218495634-5406c5c7"
        },
        {
            "digest": {
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                "length": 1800.0
            },
            "target": {
                "function": "doKeyguardLocked",
                "file": "packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java"
            },
            "signature_version": "v1",
            "deprecated": false,
            "source": "https://android.googlesource.com/platform/frameworks/base/+/35a6e2f2c952440b1102033b2c3e496438503cff",
            "signature_type": "Function",
            "id": "ASB-A-218495634-62d9473e"
        },
        {
            "digest": {
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                "length": 1526.0
            },
            "target": {
                "function": "setKeyguardEnabled",
                "file": "packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java"
            },
            "signature_version": "v1",
            "deprecated": false,
            "source": "https://android.googlesource.com/platform/frameworks/base/+/35a6e2f2c952440b1102033b2c3e496438503cff",
            "signature_type": "Function",
            "id": "ASB-A-218495634-82e3ef3a"
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        {
            "digest": {
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            "signature_type": "Line",
            "id": "ASB-A-218495634-df4e1334"
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    "types": [
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    "fixes": [
        "https://android.googlesource.com/platform/frameworks/base/+/b23c2d5fb6630ea0da503b937f62880594b13e94",
        "https://android.googlesource.com/platform/frameworks/base/+/f57217125f2b124c16c463ef4507fb054cc1ba4f",
        "https://android.googlesource.com/platform/frameworks/base/+/35a6e2f2c952440b1102033b2c3e496438503cff",
        "https://android.googlesource.com/platform/frameworks/base/+/ce7ca2d9f405c94062504411c886eff93bd7ce15"
    ],
    "severity": "High"
}

platform/frameworks/base

Package

Name
platform/frameworks/base

Affected ranges

Type
ECOSYSTEM
Events
Introduced
12L:0
Fixed
12L:2024-04-01

Affected versions

Other

12L

Ecosystem specific 

{
    "spl": "2024-04-01",
    "vanir_signatures": [
        {
            "digest": {
                "function_hash": "164145264476987166990141801887261171742",
                "length": 126.0
            },
            "target": {
                "function": "isUserInLockdown",
                "file": "core/java/com/android/internal/widget/LockPatternUtils.java"
            },
            "signature_version": "v1",
            "deprecated": false,
            "source": "https://android.googlesource.com/platform/frameworks/base/+/ce7ca2d9f405c94062504411c886eff93bd7ce15",
            "signature_type": "Function",
            "id": "ASB-A-218495634-32516721"
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        {
            "digest": {
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            "target": {
                "function": "doKeyguardLocked",
                "file": "packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java"
            },
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            "source": "https://android.googlesource.com/platform/frameworks/base/+/faaf58d3b910c388b0a7c51dc370a7ae18e7cec2",
            "signature_type": "Function",
            "id": "ASB-A-218495634-437aa946"
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        {
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        {
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        {
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            "signature_type": "Line",
            "id": "ASB-A-218495634-acde954b"
        },
        {
            "digest": {
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                "length": 1526.0
            },
            "target": {
                "function": "setKeyguardEnabled",
                "file": "packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java"
            },
            "signature_version": "v1",
            "deprecated": false,
            "source": "https://android.googlesource.com/platform/frameworks/base/+/faaf58d3b910c388b0a7c51dc370a7ae18e7cec2",
            "signature_type": "Function",
            "id": "ASB-A-218495634-b8435b7f"
        },
        {
            "digest": {
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                "length": 1812.0
            },
            "target": {
                "function": "doKeyguardLocked",
                "file": "packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java"
            },
            "signature_version": "v1",
            "deprecated": false,
            "source": "https://android.googlesource.com/platform/frameworks/base/+/100ae42365d7fc8ba7d241e8c9a7ef6aa0cdb961",
            "signature_type": "Function",
            "id": "ASB-A-218495634-ead9796e"
        }
    ],
    "types": [
        "ID"
    ],
    "fixes": [
        "https://android.googlesource.com/platform/frameworks/base/+/100ae42365d7fc8ba7d241e8c9a7ef6aa0cdb961",
        "https://android.googlesource.com/platform/frameworks/base/+/996896e672f28aa96a3d8158192de3cd4a105bc3",
        "https://android.googlesource.com/platform/frameworks/base/+/faaf58d3b910c388b0a7c51dc370a7ae18e7cec2",
        "https://android.googlesource.com/platform/frameworks/base/+/ce7ca2d9f405c94062504411c886eff93bd7ce15"
    ],
    "severity": "High"
}

platform/frameworks/base

Package

Name
platform/frameworks/base

Affected ranges

Type
ECOSYSTEM
Events
Introduced
13:0
Fixed
13:2024-04-01

Affected versions

Other

13

Ecosystem specific 

{
    "spl": "2024-04-01",
    "vanir_signatures": [
        {
            "digest": {
                "function_hash": "164145264476987166990141801887261171742",
                "length": 126.0
            },
            "target": {
                "function": "isUserInLockdown",
                "file": "core/java/com/android/internal/widget/LockPatternUtils.java"
            },
            "signature_version": "v1",
            "deprecated": false,
            "source": "https://android.googlesource.com/platform/frameworks/base/+/ba8dfc68aada76127abafdb17d0f0896cc14447a",
            "signature_type": "Function",
            "id": "ASB-A-218495634-017bbde5"
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        {
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            "signature_type": "Line",
            "id": "ASB-A-218495634-e0c66df4"
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    "types": [
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    "fixes": [
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        "https://android.googlesource.com/platform/frameworks/base/+/996896e672f28aa96a3d8158192de3cd4a105bc3",
        "https://android.googlesource.com/platform/frameworks/base/+/faaf58d3b910c388b0a7c51dc370a7ae18e7cec2",
        "https://android.googlesource.com/platform/frameworks/base/+/ba8dfc68aada76127abafdb17d0f0896cc14447a"
    ],
    "severity": "High"
}

platform/frameworks/base

Package

Name
platform/frameworks/base

Affected ranges

Type
ECOSYSTEM
Events
Introduced
14:0
Fixed
14:2024-04-01

Affected versions

Other

14

Ecosystem specific 

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