CVE-2018-9523

HIGH

Android 7.0-9 - Local Privilege Escalation via Parcel Serialization Mismatch

Title source: llm

Description

In Parcel.writeMapInternal of Parcel.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. This could lead to local escalation of privilege 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-112859604

References (2)

Core 2

Core References

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/105847

Patch, Vendor Advisory x_refsource_confirm

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

Scores

CVSS v3 7.8

EPSS 0.0018

EPSS Percentile 7.9%

Attack Vector LOCAL

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

Details

CWE

CWE-20

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