ASB-A-173552790

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-173552790.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-173552790
Aliases
  • A-173552790
  • CVE-2021-0432
Published
2021-04-01T00:00:00Z
Modified
2024-08-07T19:30:01.629895Z
Summary
[GWP-ASan] Use after free in statsd
Details

In ClearPullerCacheIfNecessary and ForceClearPullerCache of StatsPullerManager.cpp, there is a possible use-after-free due to a race condition. 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
11:0
Fixed
11:2021-04-01

Affected versions

Other

11

Ecosystem specific 

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    "vanir_signatures": [
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            "digest": {
                "threshold": 0.9,
                "line_hashes": [
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                ]
            },
            "id": "ASB-A-173552790-0a935553",
            "source": "https://android.googlesource.com/platform/frameworks/base/+/c7f94ac6347aaa77f890d1b382177968d2581894",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "cmds/statsd/src/external/StatsPullerManager.cpp"
            },
            "signature_type": "Line"
        },
        {
            "digest": {
                "length": 223.0,
                "function_hash": "80816721327590360138923004711054520411"
            },
            "id": "ASB-A-173552790-5dbfce0f",
            "source": "https://android.googlesource.com/platform/frameworks/base/+/c7f94ac6347aaa77f890d1b382177968d2581894",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "cmds/statsd/src/external/StatsPullerManager.cpp",
                "function": "StatsPullerManager::ClearPullerCacheIfNecessary"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "length": 193.0,
                "function_hash": "272798042972821718683930904450590500692"
            },
            "id": "ASB-A-173552790-b6e24d8e",
            "source": "https://android.googlesource.com/platform/frameworks/base/+/c7f94ac6347aaa77f890d1b382177968d2581894",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "cmds/statsd/src/external/StatsPullerManager.cpp",
                "function": "StatsPullerManager::ForceClearPullerCache"
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            "signature_type": "Function"
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    ],
    "fixes": [
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    "spl": "2021-04-01",
    "severity": "High",
    "types": [
        "EoP"
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}