ASB-A-205729183

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-205729183.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-205729183
Aliases
  • A-205729183
  • CVE-2021-39675
Published
2022-02-01T00:00:00Z
Modified
2024-08-07T19:29:18.140183Z
Summary
nfc_integration_fuzzer: Tag-mismatch in NFA_SendRawFrame
Details

In GKIgetbuf of gkibuffer.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

References

Affected packages

Android / platform/system/nfc

Package

Name
platform/system/nfc

Affected ranges

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

Affected versions

Other

12

Ecosystem specific 

{
    "vanir_signatures": [
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "288390722114287778546768584513148725603",
                    "31791538175672348154770622817844970845",
                    "233694777456824859479542176992205686209",
                    "53136747502931177756999941870448979321",
                    "227678348486699828512464673817066811975",
                    "251177702116177346323361254365922307350",
                    "252357863778430228943175558416913079077"
                ]
            },
            "id": "ASB-A-205729183-2f53f16c",
            "source": "https://android.googlesource.com/platform/system/nfc/+/92646b7ffc155efec6e9ed2e0753c6e62fb5ff6b",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "src/gki/common/gki_buffer.cc"
            },
            "signature_type": "Line"
        },
        {
            "digest": {
                "length": 2844.0,
                "function_hash": "262860658969548968702594415238425075122"
            },
            "id": "ASB-A-205729183-aee00831",
            "source": "https://android.googlesource.com/platform/system/nfc/+/92646b7ffc155efec6e9ed2e0753c6e62fb5ff6b",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "src/gki/common/gki_buffer.cc",
                "function": "GKI_getbuf"
            },
            "signature_type": "Function"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/platform/system/nfc/+/92646b7ffc155efec6e9ed2e0753c6e62fb5ff6b"
    ],
    "spl": "2022-02-01",
    "severity": "Critical",
    "types": [
        "EoP"
    ]
}