ASB-A-174626251

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Import Source
https://storage.googleapis.com/android-osv/ASB-A-174626251.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-174626251
Aliases
  • A-174626251
  • CVE-2020-26555
Published
2021-06-01T00:00:00Z
Modified
2024-08-07T19:30:11.427579Z
Summary
Bluetooth security notice (VU#799380.7 TLP:AMBER)
Details

In btmsecpincoderequest of btm_sec.cc, there is a possible bypass of Bluetooth pairing pin-code due to improperly used crypto. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.

References

Affected packages

Android / platform/system/bt

Package

Name
platform/system/bt

Affected ranges

Type
ECOSYSTEM
Events
Introduced
8.1:0
Fixed
8.1:2021-06-05

Affected versions

8.*

8.1

Ecosystem specific 

{
    "vanir_signatures": [
        {
            "digest": {
                "length": 2772.0,
                "function_hash": "117522492611733658184686534748013412627"
            },
            "id": "ASB-A-174626251-830530bd",
            "source": "https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "stack/btm/btm_sec.cc",
                "function": "btm_sec_pin_code_request"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "79726622876041249932064418107909516195",
                    "252131964306837731021115021591324896017",
                    "336788034664205411058133138154760230453"
                ]
            },
            "id": "ASB-A-174626251-c4e6adf7",
            "source": "https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "stack/btm/btm_sec.cc"
            },
            "signature_type": "Line"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac"
    ],
    "spl": "2021-06-05",
    "severity": "High",
    "types": [
        "EoP"
    ]
}

Android / platform/system/bt

Package

Name
platform/system/bt

Affected ranges

Type
ECOSYSTEM
Events
Introduced
9:0
Fixed
9:2021-06-05

Affected versions

Other

9

Ecosystem specific 

{
    "vanir_signatures": [
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "79726622876041249932064418107909516195",
                    "252131964306837731021115021591324896017",
                    "336788034664205411058133138154760230453"
                ]
            },
            "id": "ASB-A-174626251-5de9f4fb",
            "source": "https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "stack/btm/btm_sec.cc"
            },
            "signature_type": "Line"
        },
        {
            "digest": {
                "length": 2772.0,
                "function_hash": "117522492611733658184686534748013412627"
            },
            "id": "ASB-A-174626251-b6136e2a",
            "source": "https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "stack/btm/btm_sec.cc",
                "function": "btm_sec_pin_code_request"
            },
            "signature_type": "Function"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac"
    ],
    "spl": "2021-06-05",
    "severity": "High",
    "types": [
        "EoP"
    ]
}

Android / platform/system/bt

Package

Name
platform/system/bt

Affected ranges

Type
ECOSYSTEM
Events
Introduced
10:0
Fixed
10:2021-06-05

Affected versions

Other

10

Ecosystem specific 

{
    "vanir_signatures": [
        {
            "digest": {
                "length": 2772.0,
                "function_hash": "117522492611733658184686534748013412627"
            },
            "id": "ASB-A-174626251-3c862cbc",
            "source": "https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "stack/btm/btm_sec.cc",
                "function": "btm_sec_pin_code_request"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "79726622876041249932064418107909516195",
                    "252131964306837731021115021591324896017",
                    "336788034664205411058133138154760230453"
                ]
            },
            "id": "ASB-A-174626251-5a29055a",
            "source": "https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "stack/btm/btm_sec.cc"
            },
            "signature_type": "Line"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac"
    ],
    "spl": "2021-06-05",
    "severity": "High",
    "types": [
        "EoP"
    ]
}

Android / platform/system/bt

Package

Name
platform/system/bt

Affected ranges

Type
ECOSYSTEM
Events
Introduced
11:0
Fixed
11:2021-06-05

Affected versions

Other

11

Ecosystem specific 

{
    "vanir_signatures": [
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "79726622876041249932064418107909516195",
                    "252131964306837731021115021591324896017",
                    "336788034664205411058133138154760230453"
                ]
            },
            "id": "ASB-A-174626251-2e0e80c2",
            "source": "https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "stack/btm/btm_sec.cc"
            },
            "signature_type": "Line"
        },
        {
            "digest": {
                "length": 2772.0,
                "function_hash": "117522492611733658184686534748013412627"
            },
            "id": "ASB-A-174626251-33dbd7e7",
            "source": "https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "stack/btm/btm_sec.cc",
                "function": "btm_sec_pin_code_request"
            },
            "signature_type": "Function"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac"
    ],
    "spl": "2021-06-05",
    "severity": "High",
    "types": [
        "EoP"
    ]
}