In test of ResetTargetTaskHelper.java, there is a possible hijacking of any app which sets allowTaskReparenting="true" due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
{
"fixes": [
"https://android.googlesource.com/platform/frameworks/base/+/7da08c6bd31584744e91eb6b3914166344ecae33"
],
"severity": "High",
"spl": "2022-12-01",
"vanir_signatures": [
{
"deprecated": false,
"signature_version": "v1",
"id": "ASB-A-240663194-31871ecc",
"digest": {
"length": 1839.0,
"function_hash": "79367335984536868683060388927323698399"
},
"source": "https://android.googlesource.com/platform/frameworks/base/+/7da08c6bd31584744e91eb6b3914166344ecae33",
"signature_type": "Function",
"target": {
"file": "services/core/java/com/android/server/wm/ResetTargetTaskHelper.java",
"function": "processActivity"
}
},
{
"deprecated": false,
"signature_version": "v1",
"id": "ASB-A-240663194-b69388b4",
"digest": {
"line_hashes": [
"156696531665261001840361105050140513977",
"141577864991975549992388657836996666940",
"176173783978772524694805082768982610046",
"40656254098996569909265033914126337733",
"6035741319983973340794305195343138500",
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],
"threshold": 0.9
},
"source": "https://android.googlesource.com/platform/frameworks/base/+/7da08c6bd31584744e91eb6b3914166344ecae33",
"signature_type": "Line",
"target": {
"file": "services/core/java/com/android/server/wm/ResetTargetTaskHelper.java"
}
}
],
"types": [
"EoP"
]
}
{
"fixes": [
"https://android.googlesource.com/platform/frameworks/base/+/7af50c4d5f0354438872167b0e446930caca9deb"
],
"severity": "High",
"spl": "2022-12-01",
"vanir_signatures": [
{
"deprecated": false,
"signature_version": "v1",
"id": "ASB-A-240663194-689311e5",
"digest": {
"length": 1839.0,
"function_hash": "79367335984536868683060388927323698399"
},
"source": "https://android.googlesource.com/platform/frameworks/base/+/7af50c4d5f0354438872167b0e446930caca9deb",
"signature_type": "Function",
"target": {
"file": "services/core/java/com/android/server/wm/ResetTargetTaskHelper.java",
"function": "processActivity"
}
},
{
"deprecated": false,
"signature_version": "v1",
"id": "ASB-A-240663194-6c5655b0",
"digest": {
"line_hashes": [
"156696531665261001840361105050140513977",
"141577864991975549992388657836996666940",
"176173783978772524694805082768982610046",
"40656254098996569909265033914126337733",
"6035741319983973340794305195343138500",
"106076101888920704290679117356166803734",
"174141138331974519528807865623126836579",
"333588990833629625277664792135720220197"
],
"threshold": 0.9
},
"source": "https://android.googlesource.com/platform/frameworks/base/+/7af50c4d5f0354438872167b0e446930caca9deb",
"signature_type": "Line",
"target": {
"file": "services/core/java/com/android/server/wm/ResetTargetTaskHelper.java"
}
}
],
"types": [
"EoP"
]
}
{
"fixes": [
"https://android.googlesource.com/platform/frameworks/base/+/7af50c4d5f0354438872167b0e446930caca9deb"
],
"severity": "High",
"spl": "2022-12-01",
"vanir_signatures": [
{
"deprecated": false,
"signature_version": "v1",
"id": "ASB-A-240663194-6ab63711",
"digest": {
"line_hashes": [
"156696531665261001840361105050140513977",
"141577864991975549992388657836996666940",
"176173783978772524694805082768982610046",
"40656254098996569909265033914126337733",
"6035741319983973340794305195343138500",
"106076101888920704290679117356166803734",
"174141138331974519528807865623126836579",
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],
"threshold": 0.9
},
"source": "https://android.googlesource.com/platform/frameworks/base/+/7af50c4d5f0354438872167b0e446930caca9deb",
"signature_type": "Line",
"target": {
"file": "services/core/java/com/android/server/wm/ResetTargetTaskHelper.java"
}
},
{
"deprecated": false,
"signature_version": "v1",
"id": "ASB-A-240663194-ae0b3db2",
"digest": {
"length": 1839.0,
"function_hash": "79367335984536868683060388927323698399"
},
"source": "https://android.googlesource.com/platform/frameworks/base/+/7af50c4d5f0354438872167b0e446930caca9deb",
"signature_type": "Function",
"target": {
"file": "services/core/java/com/android/server/wm/ResetTargetTaskHelper.java",
"function": "processActivity"
}
}
],
"types": [
"EoP"
]
}
{
"fixes": [
"https://android.googlesource.com/platform/frameworks/base/+/f63ee3bb84b6a6ebf34475f433471cf4c28fb3c7"
],
"severity": "High",
"spl": "2022-12-01",
"vanir_signatures": [
{
"deprecated": false,
"signature_version": "v1",
"id": "ASB-A-240663194-115ef8b1",
"digest": {
"length": 1833.0,
"function_hash": "196881039074853251030040489618889753042"
},
"source": "https://android.googlesource.com/platform/frameworks/base/+/f63ee3bb84b6a6ebf34475f433471cf4c28fb3c7",
"signature_type": "Function",
"target": {
"file": "services/core/java/com/android/server/wm/ResetTargetTaskHelper.java",
"function": "test"
}
},
{
"deprecated": false,
"signature_version": "v1",
"id": "ASB-A-240663194-24f3ed21",
"digest": {
"line_hashes": [
"156696531665261001840361105050140513977",
"141577864991975549992388657836996666940",
"176173783978772524694805082768982610046",
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],
"threshold": 0.9
},
"source": "https://android.googlesource.com/platform/frameworks/base/+/f63ee3bb84b6a6ebf34475f433471cf4c28fb3c7",
"signature_type": "Line",
"target": {
"file": "services/core/java/com/android/server/wm/ResetTargetTaskHelper.java"
}
}
],
"types": [
"EoP"
]
}