Description
In create of FileMap.cpp, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-8.0 Android-8.1 Android-9Android ID: A-156997193
Exploits (1)
nomisec
WORKING POC
by nanopathi · poc
https://github.com/nanopathi/system_core_AOSP10_r33_CVE-2020-0409
References (1)
Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://source.android.com/security/bulletin/2020-11-01
Scores
CVSS v3
7.8
EPSS
0.0002
EPSS Percentile
5.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-190
CWE-787
Status
published
Products (4)
google/android
8.0
google/android
8.1
google/android
9.0
google/android
10.0
Published
Nov 10, 2020
Tracked Since
Feb 18, 2026