CVE-2023-21118

MEDIUM

Android - Out-of-bounds Read in Sensor.cpp unflattenString8

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2023-21118. PoCs published by Satheesh575555, Trinadh465.

AI-analyzed exploit summary This repository contains a proof-of-concept exploit for CVE-2023-21118, targeting Android's frameworks/native component. The exploit appears to focus on the `atrace` and `bugreport` functionalities, likely leveraging a vulnerability in these services for privilege escalation or information disclosure.

Description

In unflattenString8 of Sensor.cpp, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-269014004

Exploits (2)

nomisec WORKING POC
by Satheesh575555 · poc
https://github.com/Satheesh575555/frameworks_native_AOSP10_r33_CVE-2023-21118

This repository contains a proof-of-concept exploit for CVE-2023-21118, targeting Android's frameworks/native component. The exploit appears to focus on the `atrace` and `bugreport` functionalities, likely leveraging a vulnerability in these services for privilege escalation or information disclosure.

Classification
Working Poc 90%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Android frameworks/native (AOSP 10 r33)
No auth needed
Prerequisites: Access to the target Android device · Vulnerable version of frameworks/native
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC
by Trinadh465 · poc
https://github.com/Trinadh465/frameworks_native_AOSP-10_r33_CVE-2023-21118

This repository contains a proof-of-concept exploit for CVE-2023-21118, targeting Android's frameworks/native component. The exploit appears to focus on the `atrace` and `bugreport` functionalities, likely leveraging a vulnerability in these services for privilege escalation or information disclosure.

Classification
Working Poc 90%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Android Open Source Project (AOSP) frameworks/native, version 10_r33
No auth needed
Prerequisites: Access to the target Android device · Vulnerable version of AOSP frameworks/native
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 5.5
EPSS 0.0020
EPSS Percentile 10.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-125
Status published
Products (4)
google/android 11.0
google/android 12.0
google/android 12.1
google/android 13.0
Published May 15, 2023
Tracked Since Feb 18, 2026