CVE-2017-2459

HIGH

Safari < 10.1 - Remote Code Execution via WebKit Memory Corruption

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-2459. PoCs published by Google Security Research.

AI-analyzed exploit summary This PoC exploits a negative-size memmove vulnerability in WebKit's HTMLFormElement::registerFormElement, triggered by manipulating DOM elements to cause an out-of-bounds memory operation. The issue arises from incorrect index handling in HTMLFormElement::formElementIndex, leading to a crash or potential memory corruption.

Description

An issue was discovered in certain Apple products. iOS before 10.3 is affected. Safari before 10.1 is affected. tvOS before 10.2 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.

Exploits (1)

exploitdb WORKING POC VERIFIED

by Google Security Research · htmldosmultiple

https://www.exploit-db.com/exploits/41810

View Code ZIP pw:eip

This PoC exploits a negative-size memmove vulnerability in WebKit's HTMLFormElement::registerFormElement, triggered by manipulating DOM elements to cause an out-of-bounds memory operation. The issue arises from incorrect index handling in HTMLFormElement::formElementIndex, leading to a crash or potential memory corruption.

Classification

Working Poc 95%

Attack Type

Dos

Complexity

Moderate

Reliability

Racy

Target: WebKit (Safari 10.0.2 and nightly builds)

No auth needed

Prerequisites: Victim must visit a malicious webpage or refresh the PoC multiple times

MITRE ATT&CK