CVE-2021-0966

MEDIUM

Android 11-12 - Local Information Disclosure via Uninitialized Memory in BuildParcelFields

Title source: llm
STIX 2.1

Description

In code generated by BuildParcelFields of generate_cpp.cpp, there is a possible way for a crafted parcelable to reveal uninitialized memory of a target process due to uninitialized data. This could lead to local information disclosure across Binder transactions with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12Android ID: A-198346478

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://source.android.com/security/bulletin/2021-12-01

Scores

CVSS v3 5.5
EPSS 0.0011
EPSS Percentile 1.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-909
Status published
Products (2)
google/android 11.0
google/android 12.0
Published Dec 15, 2021
Tracked Since Feb 18, 2026