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
2026-06-16T15:04:57.126039127Z
Summary
[none]
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 

{
    "types": [
        "EoP"
    ],
    "severity": "High",
    "fixes": [
        "https://android.googlesource.com/platform/frameworks/base/+/c7f94ac6347aaa77f890d1b382177968d2581894"
    ],
    "spl": "2021-04-01",
    "vanir_signatures": [
        {
            "deprecated": false,
            "target": {
                "file": "cmds/statsd/src/external/StatsPullerManager.cpp"
            },
            "signature_type": "Line",
            "digest": {
                "line_hashes": [
                    "276421558175509511554573386608974515553",
                    "89344226562673292616585529776115421582",
                    "335376642036065395401989861899840725083",
                    "22243518718314057884693290828616978389",
                    "307824126936387981057255436007154658163",
                    "337111659555491520642886002911102643275",
                    "145432192477951541460162843433924264187",
                    "245617917729764275220540778554821687797"
                ],
                "threshold": 0.9
            },
            "id": "ASB-A-173552790-0a935553",
            "signature_version": "v1",
            "source": "https://android.googlesource.com/platform/frameworks/base/+/c7f94ac6347aaa77f890d1b382177968d2581894"
        },
        {
            "id": "ASB-A-173552790-5dbfce0f",
            "target": {
                "file": "cmds/statsd/src/external/StatsPullerManager.cpp",
                "function": "StatsPullerManager::ClearPullerCacheIfNecessary"
            },
            "signature_type": "Function",
            "signature_version": "v1",
            "source": "https://android.googlesource.com/platform/frameworks/base/+/c7f94ac6347aaa77f890d1b382177968d2581894",
            "deprecated": false,
            "digest": {
                "function_hash": "80816721327590360138923004711054520411",
                "length": 223.0
            }
        },
        {
            "deprecated": false,
            "target": {
                "file": "cmds/statsd/src/external/StatsPullerManager.cpp",
                "function": "StatsPullerManager::ForceClearPullerCache"
            },
            "signature_type": "Function",
            "digest": {
                "function_hash": "272798042972821718683930904450590500692",
                "length": 193.0
            },
            "signature_version": "v1",
            "source": "https://android.googlesource.com/platform/frameworks/base/+/c7f94ac6347aaa77f890d1b382177968d2581894",
            "id": "ASB-A-173552790-b6e24d8e"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/android-osv/ASB-A-173552790.json"