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.
{
"spl": "2021-06-05",
"vanir_signatures": [
{
"signature_type": "Function",
"source": "https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac",
"digest": {
"function_hash": "117522492611733658184686534748013412627",
"length": 2772.0
},
"target": {
"file": "stack/btm/btm_sec.cc",
"function": "btm_sec_pin_code_request"
},
"id": "ASB-A-174626251-830530bd",
"deprecated": false,
"signature_version": "v1"
},
{
"signature_type": "Line",
"source": "https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac",
"digest": {
"threshold": 0.9,
"line_hashes": [
"79726622876041249932064418107909516195",
"252131964306837731021115021591324896017",
"336788034664205411058133138154760230453"
]
},
"target": {
"file": "stack/btm/btm_sec.cc"
},
"id": "ASB-A-174626251-c4e6adf7",
"deprecated": false,
"signature_version": "v1"
}
],
"fixes": [
"https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac"
],
"severity": "High",
"types": [
"EoP"
]
}
{
"spl": "2021-06-05",
"vanir_signatures": [
{
"signature_type": "Line",
"source": "https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac",
"digest": {
"threshold": 0.9,
"line_hashes": [
"79726622876041249932064418107909516195",
"252131964306837731021115021591324896017",
"336788034664205411058133138154760230453"
]
},
"target": {
"file": "stack/btm/btm_sec.cc"
},
"id": "ASB-A-174626251-5de9f4fb",
"deprecated": false,
"signature_version": "v1"
},
{
"signature_type": "Function",
"source": "https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac",
"digest": {
"function_hash": "117522492611733658184686534748013412627",
"length": 2772.0
},
"target": {
"file": "stack/btm/btm_sec.cc",
"function": "btm_sec_pin_code_request"
},
"id": "ASB-A-174626251-b6136e2a",
"deprecated": false,
"signature_version": "v1"
}
],
"fixes": [
"https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac"
],
"severity": "High",
"types": [
"EoP"
]
}
{
"spl": "2021-06-05",
"vanir_signatures": [
{
"signature_type": "Function",
"source": "https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac",
"digest": {
"function_hash": "117522492611733658184686534748013412627",
"length": 2772.0
},
"target": {
"file": "stack/btm/btm_sec.cc",
"function": "btm_sec_pin_code_request"
},
"id": "ASB-A-174626251-3c862cbc",
"deprecated": false,
"signature_version": "v1"
},
{
"signature_type": "Line",
"source": "https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac",
"digest": {
"threshold": 0.9,
"line_hashes": [
"79726622876041249932064418107909516195",
"252131964306837731021115021591324896017",
"336788034664205411058133138154760230453"
]
},
"target": {
"file": "stack/btm/btm_sec.cc"
},
"id": "ASB-A-174626251-5a29055a",
"deprecated": false,
"signature_version": "v1"
}
],
"fixes": [
"https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac"
],
"severity": "High",
"types": [
"EoP"
]
}
{
"spl": "2021-06-05",
"vanir_signatures": [
{
"signature_type": "Line",
"source": "https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac",
"digest": {
"threshold": 0.9,
"line_hashes": [
"79726622876041249932064418107909516195",
"252131964306837731021115021591324896017",
"336788034664205411058133138154760230453"
]
},
"target": {
"file": "stack/btm/btm_sec.cc"
},
"id": "ASB-A-174626251-2e0e80c2",
"deprecated": false,
"signature_version": "v1"
},
{
"signature_type": "Function",
"source": "https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac",
"digest": {
"function_hash": "117522492611733658184686534748013412627",
"length": 2772.0
},
"target": {
"file": "stack/btm/btm_sec.cc",
"function": "btm_sec_pin_code_request"
},
"id": "ASB-A-174626251-33dbd7e7",
"deprecated": false,
"signature_version": "v1"
}
],
"fixes": [
"https://android.googlesource.com/platform/system/bt/+/374bb0401a5649af4a97e8d8c7373c7daf37f6ac"
],
"severity": "High",
"types": [
"EoP"
]
}