CVE-2019-2099

HIGH

Android 7.0-9 - Out-of-Bounds Write in nfa_rw_store_ndef_rx_buf

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-2099. PoCs published by codecat007.

AI-analyzed exploit summary This repository contains a functional PoC for CVE-2019-2099, an NFC-related vulnerability in Android. The exploit leverages a modified Proxmark3 file to simulate an ISO 15693 card, triggering a crash in the NFC stack due to a memory corruption issue in `libnfc-nci.so`.

Description

In nfa_rw_store_ndef_rx_buf of nfa_rw_act.cc, there is a possible out-of-bound write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is 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-123583388.

Exploits (1)

github WORKING POC 8 stars
by codecat007 · cpoc
https://github.com/codecat007/cvehub/tree/main/android/CVE-2019-2099

This repository contains a functional PoC for CVE-2019-2099, an NFC-related vulnerability in Android. The exploit leverages a modified Proxmark3 file to simulate an ISO 15693 card, triggering a crash in the NFC stack due to a memory corruption issue in `libnfc-nci.so`.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Android NFC stack (libnfc-nci.so)
No auth needed
Prerequisites: Proxmark3 hardware · Android device with NFC support
devstral-2 · analyzed Feb 27, 2026 Full analysis →

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_confirm
https://source.android.com/security/bulletin/2019-06-01

Scores

CVSS v3 7.8
EPSS 0.0004
EPSS Percentile 11.0%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
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 Jun 07, 2019
Tracked Since Feb 18, 2026