In getSigningKeySet of PackageManagerService.java, there is a missing permission check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
{
"types": [
"ID"
],
"severity": "Moderate",
"spl": "2021-12-01",
"fixes": [
"https://android.googlesource.com/platform/frameworks/base/+/5228b4cf3a55e2abfc833f23f6ed683d5ef35bb8"
],
"vanir_signatures": [
{
"digest": {
"function_hash": "132584928615221730268150791750476423550",
"length": 869.0
},
"target": {
"file": "services/core/java/com/android/server/pm/PackageManagerService.java",
"function": "getSigningKeySet"
},
"deprecated": false,
"source": "https://android.googlesource.com/platform/frameworks/base/+/5228b4cf3a55e2abfc833f23f6ed683d5ef35bb8",
"id": "PUB-A-189857801-60efad0e",
"signature_version": "v1",
"signature_type": "Function"
},
{
"digest": {
"threshold": 0.9,
"line_hashes": [
"269872727543979060273050115687526126547",
"236636862371516801432910501098450022312",
"231262560110106771437992143478379125344",
"244768083747770656005397341329372162045",
"13406896532638826383005944769576071522",
"34486164087355723149574297097066475362",
"249833021071024907082647275849633242455",
"20735436386915824579006483356741752492",
"19158146158145962835957127313103159540",
"213738950766423406319545604270963899843"
]
},
"target": {
"file": "services/core/java/com/android/server/pm/PackageManagerService.java"
},
"deprecated": false,
"source": "https://android.googlesource.com/platform/frameworks/base/+/5228b4cf3a55e2abfc833f23f6ed683d5ef35bb8",
"id": "PUB-A-189857801-6f6d12c7",
"signature_version": "v1",
"signature_type": "Line"
}
]
}