CVE-2018-4366

HIGH

iPhone OS < 12.1 - Memory Corruption via Improved Input Validation

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-4366. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit demonstrates a heap corruption vulnerability in VCPDecompressionDecodeFrame, reachable via FaceTime calls. It requires injecting a custom library into AVConference and manipulating RTP packets to trigger a crash, potentially leading to remote code execution.

Description

A memory corruption issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1.

Exploits (1)

exploitdb WORKING POC VERIFIED

by Google Security Research · textdosmacos

https://www.exploit-db.com/exploits/45788

View Code ZIP pw:eip

This exploit demonstrates a heap corruption vulnerability in VCPDecompressionDecodeFrame, reachable via FaceTime calls. It requires injecting a custom library into AVConference and manipulating RTP packets to trigger a crash, potentially leading to remote code execution.

Classification

Working Poc 90%

Attack Type

Dos

Complexity

Complex

Reliability

Reliable

Target: Apple AVConference (macOS 10.13.6, iOS 11.3.1)

No auth needed

Prerequisites: Physical or remote access to target device · Ability to modify system files and sandbox profiles · Custom library injection via insert_dylib · Malicious RTP packet sequence

MITRE ATT&CK

T1190 - Exploit Public-Facing Application T1203 - Exploitation for Client Execution

devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1

Core References

Vendor Advisory x_refsource_misc

https://support.apple.com/kb/HT209192

Scores

CVSS v3 7.5

EPSS 0.0645

EPSS Percentile 92.8%

Attack Vector NETWORK

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

Details

CWE

CWE-119

Status published

Products (1)

apple/iphone_os < 12.1

Published Apr 03, 2019

Tracked Since Feb 18, 2026