Exploitation Summary
EIP tracks 3 public exploits for CVE-2019-8641. PoCs published by Google Security Research, chia33164.
AI-analyzed exploit summary This exploit leverages a deserialization vulnerability in NSKeyedUnarchiver's handling of NSSharedKeyDictionary objects, leading to an out-of-bounds memory read. The PoC demonstrates the issue via a crafted object file and includes steps to reproduce the crash in both iMessage and a macOS test program.
Description
An out-of-bounds read was addressed with improved input validation.
Exploits (3)
This exploit leverages a deserialization vulnerability in NSKeyedUnarchiver's handling of NSSharedKeyDictionary objects, leading to an out-of-bounds memory read. The PoC demonstrates the issue via a crafted object file and includes steps to reproduce the crash in both iMessage and a macOS test program.
This repository contains a proof-of-concept exploit for CVE-2019-8641, a deserialization vulnerability in Apple's iMessage. The exploit leverages crafted NSKeyedArchiver payloads to achieve remote code execution via memory corruption.
The writeup details a deserialization vulnerability in macOS's NSUnarchiver API, where attacker-controlled data in iMessages can trigger a crash via NSSharedKeyDictionary and NSSharedKeySet manipulation. The analysis includes a technical breakdown of the exploit mechanism and a reference to a Proof of Concept.
References (5)
Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H