CVE-2017-2491

HIGH

Apple Iphone OS < 10.2.1 - Use After Free

Title source: rule

Description

Use after free vulnerability in the String.replace method JavaScriptCore in Apple Safari in iOS before 10.3 allows remote attackers to execute arbitrary code via a crafted web page, or a crafted file.

Exploits (1)

exploitdb WORKING POC VERIFIED

by saelo & niklasb · htmlremotemacos

https://www.exploit-db.com/exploits/41964

View Code ZIP pw:eip

References (4)

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/98316

[Third Party Advisory, VDB Entry] http://www.zerodayinitiative.com/advisories/ZDI-17-321

[Vendor Advisory] https://support.apple.com/en-us/HT207617

[Exploit, Third Party Advisory] https://www.exploit-db.com/exploits/41964/

Scores

CVSS v3 8.8

EPSS 0.2169

EPSS Percentile 95.8%

Attack Vector NETWORK

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

Details

CWE

CWE-416

Status published

Products (1)

apple/iphone_os < 10.2.1

Published Jun 27, 2017

Tracked Since Feb 18, 2026