CVE-2017-13849

MEDIUM

iPhone OS < 11.1 - Denial of Service in CoreText via Crafted Text File

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-13849. PoCs published by Russian Otter.

AI-analyzed exploit summary This exploit generates a maliciously crafted Unicode payload that triggers a DoS condition in iOS < 11.1 by exploiting a vulnerability in Core-Text. The payload causes thread crashes or extreme lag when displayed in affected applications.

Description

An issue was discovered in certain Apple products. iOS before 11.1 is affected. tvOS before 11.1 is affected. watchOS before 4.1 is affected. The issue involves the "CoreText" component. It allows remote attackers to cause a denial of service (application crash) via a crafted text file.

Exploits (1)

exploitdb WORKING POC VERIFIED

by Russian Otter · pythondosios

https://www.exploit-db.com/exploits/43161

View Code ZIP pw:eip

This exploit generates a maliciously crafted Unicode payload that triggers a DoS condition in iOS < 11.1 by exploiting a vulnerability in Core-Text. The payload causes thread crashes or extreme lag when displayed in affected applications.

Classification

Working Poc 100%

Attack Type

Dos

Complexity

Trivial

Reliability

Reliable

Target: iOS < 11.1 (Core-Text)

No auth needed

Prerequisites: Target device running iOS < 11.1 · Application that renders Unicode text (e.g., Signal, Instagram)

MITRE ATT&CK