CVE-2018-9543

MEDIUM

Android 7.0-9 - Unauthenticated Local Information Disclosure via Incomplete Factory Reset

Title source: llm

Description

In trim_device of f2fs_format_utils.c, it is possible that the data partition is not wiped during a factory reset. This could lead to local information disclosure after factory reset with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-112868088.

References (3)

Core 3

Core References

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/105849

Not Applicable, Vendor Advisory x_refsource_confirm

https://source.android.com/security/bulletin/2018-12-01

Patch, Vendor Advisory x_refsource_confirm

https://source.android.com/security/bulletin/2018-11-01

Scores

CVSS v3 5.5

EPSS 0.0020

EPSS Percentile 10.3%

Attack Vector LOCAL

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Details

CWE

CWE-200

Status published

Products (6)

google/android 7.0

google/android 7.1.1

google/android 7.1.2

google/android 8.0

google/android 8.1

google/android 9.0

Published Nov 14, 2018

Tracked Since Feb 18, 2026