Description
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.
Exploits (2)
nomisec
WRITEUP
99 stars
by michalbednarski · poc
https://github.com/michalbednarski/TheLastBundleMismatch
References (3)
Core 3
Core References
Mailing List, Patch
https://android.googlesource.com/platform/frameworks/base/+/f4644b55d36a549710ba35b6fb797ba744807da6
Mailing List, Patch
https://android.googlesource.com/platform/frameworks/base/+/f810d81839af38ee121c446105ca67cb12992fc6
Patch, Vendor Advisory
https://source.android.com/security/bulletin/2023-12-01
Scores
CVSS v3
7.8
EPSS
0.0015
EPSS Percentile
34.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
Status
published
Products (2)
google/android
13.0
google/android
14.0
Published
Dec 04, 2023
Tracked Since
Feb 18, 2026