In checkKeyIntentParceledCorrectly of AccountManagerService.java, there is a possible way to launch arbitrary activities using system privileges due to Parcel Mismatch. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
{
"vanir_signatures": [
{
"digest": {
"threshold": 0.9,
"line_hashes": [
"105742063094871766937010577244347100362",
"41831547722346298418863001400473844494",
"210507454749626293904794193921105781012",
"171630030037310044988416393019877335182"
]
},
"id": "ASB-A-299930871-41663f73",
"signature_type": "Line",
"source": "https://android.googlesource.com/platform/frameworks/base/+/8476b140eed0235df4e8f07d94420a1471191b55",
"deprecated": true,
"target": {
"file": "services/core/java/com/android/server/accounts/AccountManagerService.java"
},
"signature_version": "v1"
},
{
"digest": {
"function_hash": "5312624277853522920463986731625181836",
"length": 724.0
},
"id": "ASB-A-299930871-7bbfd9e5",
"signature_type": "Function",
"source": "https://android.googlesource.com/platform/frameworks/base/+/8476b140eed0235df4e8f07d94420a1471191b55",
"deprecated": true,
"target": {
"function": "checkKeyIntentParceledCorrectly",
"file": "services/core/java/com/android/server/accounts/AccountManagerService.java"
},
"signature_version": "v1"
}
],
"types": [
"EoP"
],
"spl": "2023-12-01",
"fixes": [
"https://android.googlesource.com/platform/frameworks/base/+/7a24a283a360e816d2bfb2aa124c4eb2efd1be61",
"https://android.googlesource.com/platform/frameworks/base/+/8476b140eed0235df4e8f07d94420a1471191b55"
],
"severity": "High"
}
{
"vanir_signatures": [
{
"digest": {
"threshold": 0.9,
"line_hashes": [
"105742063094871766937010577244347100362",
"41831547722346298418863001400473844494",
"210507454749626293904794193921105781012",
"171630030037310044988416393019877335182"
]
},
"id": "ASB-A-299930871-79cbb13c",
"signature_type": "Line",
"source": "https://android.googlesource.com/platform/frameworks/base/+/8476b140eed0235df4e8f07d94420a1471191b55",
"deprecated": true,
"target": {
"file": "services/core/java/com/android/server/accounts/AccountManagerService.java"
},
"signature_version": "v1"
},
{
"digest": {
"function_hash": "5312624277853522920463986731625181836",
"length": 724.0
},
"id": "ASB-A-299930871-ea7ab32b",
"signature_type": "Function",
"source": "https://android.googlesource.com/platform/frameworks/base/+/8476b140eed0235df4e8f07d94420a1471191b55",
"deprecated": true,
"target": {
"function": "checkKeyIntentParceledCorrectly",
"file": "services/core/java/com/android/server/accounts/AccountManagerService.java"
},
"signature_version": "v1"
}
],
"types": [
"EoP"
],
"spl": "2023-12-01",
"fixes": [
"https://android.googlesource.com/platform/frameworks/base/+/7a24a283a360e816d2bfb2aa124c4eb2efd1be61",
"https://android.googlesource.com/platform/frameworks/base/+/8476b140eed0235df4e8f07d94420a1471191b55"
],
"severity": "High"
}
{
"vanir_signatures": [
{
"id": "ASB-A-299930871-ba1013eb",
"signature_type": "Line",
"match_only_versions": [
"14"
],
"signature_version": "v1",
"target": {
"file": "services/core/java/com/android/server/accounts/AccountManagerService.java"
},
"source": "https://android.googlesource.com/platform/frameworks/base/+/7a24a283a360e816d2bfb2aa124c4eb2efd1be61",
"digest": {
"threshold": 0.9,
"line_hashes": [
"284645906073750632685697538823996009341",
"285758355853553288136460222232517894852",
"249520830598242276603421062396672184894",
"118063220515672952178012219922957877184"
]
},
"deprecated": false
},
{
"id": "ASB-A-299930871-c6f16cfe",
"signature_type": "Function",
"match_only_versions": [
"14"
],
"signature_version": "v1",
"target": {
"function": "checkKeyIntentParceledCorrectly",
"file": "services/core/java/com/android/server/accounts/AccountManagerService.java"
},
"source": "https://android.googlesource.com/platform/frameworks/base/+/7a24a283a360e816d2bfb2aa124c4eb2efd1be61",
"digest": {
"function_hash": "42442705007644212017595812178236325751",
"length": 785.0
},
"deprecated": false
}
],
"types": [
"EoP"
],
"spl": "2023-12-01",
"fixes": [
"https://android.googlesource.com/platform/frameworks/base/+/7a24a283a360e816d2bfb2aa124c4eb2efd1be61"
],
"severity": "High"
}