ASB-A-206718630

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-206718630.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-206718630
Aliases
  • A-206718630
  • CVE-2021-39671
Published
2022-02-01T00:00:00Z
Modified
2026-07-03T16:08:45.503432344Z
Summary
[none]
Details

In code generated by aidlconstexpressions.cpp, there is a possible out of bounds read due to uninitialized data. This could lead to information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

References

Affected packages

Android / platform/system/tools/aidl

Package

Name
platform/system/tools/aidl

Affected ranges

Type
ECOSYSTEM
Events
Introduced
12:0
Fixed
12:2022-02-01

Affected versions

Other
12

Ecosystem specific 

{
    "spl": "2022-02-01",
    "vanir_signatures": [
        {
            "id": "ASB-A-206718630-22d714db",
            "target": {
                "file": "aidl_language.h"
            },
            "signature_version": "v1",
            "source": "https://android.googlesource.com/platform/system/tools/aidl/+/6466daabe5cadd58674ea2c96b7f92255834dc42",
            "signature_type": "Line",
            "digest": {
                "line_hashes": [
                    "52682189339011925055107093468470359683",
                    "271237814946378536818575490250964548989",
                    "264589793234930371795323703688946977276",
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                    "144242027324137949950930127037517828891",
                    "110261878933986473451967859119161604052"
                ],
                "threshold": 0.9
            },
            "deprecated": false
        },
        {
            "target": {
                "function": "isValidLiteralChar",
                "file": "aidl_const_expressions.cpp"
            },
            "match_only_versions": [
                "12"
            ],
            "source": "https://android.googlesource.com/platform/system/tools/aidl/+/6466daabe5cadd58674ea2c96b7f92255834dc42",
            "digest": {
                "function_hash": "338633911347511692108095469515367765521",
                "length": 104.0
            },
            "signature_version": "v1",
            "signature_type": "Function",
            "id": "ASB-A-206718630-845b89f5",
            "deprecated": false
        },
        {
            "id": "ASB-A-206718630-8dda7eb2",
            "target": {
                "file": "aidl_const_expressions.cpp"
            },
            "signature_version": "v1",
            "source": "https://android.googlesource.com/platform/system/tools/aidl/+/6466daabe5cadd58674ea2c96b7f92255834dc42",
            "signature_type": "Line",
            "digest": {
                "line_hashes": [
                    "307217810864960581887163899891123762906",
                    "176614151928675383881405433351664568893",
                    "320255326471215043730033285699593620622",
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                    "130966990182467018960222985979421427164",
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                    "189005025529437005955749403457628088654"
                ],
                "threshold": 0.9
            },
            "deprecated": false
        },
        {
            "id": "ASB-A-206718630-ba4f0342",
            "target": {
                "function": "AidlConstantValue::Character",
                "file": "aidl_const_expressions.cpp"
            },
            "signature_version": "v1",
            "source": "https://android.googlesource.com/platform/system/tools/aidl/+/6466daabe5cadd58674ea2c96b7f92255834dc42",
            "signature_type": "Function",
            "digest": {
                "function_hash": "282162829013269395491391507033391609680",
                "length": 319.0
            },
            "deprecated": false
        },
        {
            "id": "ASB-A-206718630-bbaa9fc6",
            "target": {
                "function": "AidlConstantValue::Default",
                "file": "aidl_const_expressions.cpp"
            },
            "signature_version": "v1",
            "source": "https://android.googlesource.com/platform/system/tools/aidl/+/6466daabe5cadd58674ea2c96b7f92255834dc42",
            "signature_type": "Function",
            "digest": {
                "function_hash": "281423464067443248527311935324984184020",
                "length": 469.0
            },
            "deprecated": false
        },
        {
            "digest": {
                "function_hash": "318325632392926229838755062928866060037",
                "length": 392.0
            },
            "target": {
                "function": "AidlConstantValue::String",
                "file": "aidl_const_expressions.cpp"
            },
            "signature_version": "v1",
            "source": "https://android.googlesource.com/platform/system/tools/aidl/+/6466daabe5cadd58674ea2c96b7f92255834dc42",
            "signature_type": "Function",
            "id": "ASB-A-206718630-ceab2b11",
            "deprecated": false
        },
        {
            "id": "ASB-A-206718630-dd232b46",
            "target": {
                "file": "aidl_unittest.cpp"
            },
            "signature_version": "v1",
            "source": "https://android.googlesource.com/platform/system/tools/aidl/+/823f787a31bf7826add4104c31c76e39981a0369",
            "signature_type": "Line",
            "digest": {
                "line_hashes": [
                    "28125850071617292702190363221028455369",
                    "34380258593872219120528741262530458978",
                    "279652394793662396709192365824953803961",
                    "75035187186062317565544108686540114765"
                ],
                "threshold": 0.9
            },
            "deprecated": false
        }
    ],
    "types": [
        "EoP"
    ],
    "fixes": [
        "https://android.googlesource.com/platform/system/tools/aidl/+/6466daabe5cadd58674ea2c96b7f92255834dc42",
        "https://android.googlesource.com/platform/system/tools/aidl/+/823f787a31bf7826add4104c31c76e39981a0369"
    ],
    "severity": "High"
}

Database specific

source 
"https://storage.googleapis.com/android-osv/ASB-A-206718630.json"