PT-2017-15407 · Apple · Javascriptcore+2

Niklasb + 1 · Published 2017-05-04 · Updated 2019-10-03 · CVE-2017-2491

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Apple Safari versions prior to 10.3

Description The issue is related to a use after free vulnerability in the String.replace method in JavaScriptCore. This allows remote attackers to execute arbitrary code via a crafted web page or a crafted file. The vulnerability was demonstrated at Pwn2Own, indicating its potential for real-world exploitation.

Recommendations For versions prior to 10.3, update to iOS 10.3 or later to resolve the issue.

Exploit

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2017-2491

ZDI-17-321

Affected Products

Javascriptcore

Safari

Ios

References · 8

• 🔥 https://github.com/tunz/js-vuln-db/blob/master/jsc/CVE-2017-2491.md · Exploit
• 🔥 https://exploit-db.com/exploits/41964 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2017-2491 · Security Note
• https://support.apple.com/en-us/HT207617 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-17-321 · Security Note
• https://osv.dev/vulnerability/CVE-2017-2491 · Vendor Advisory
• http://zerodayinitiative.com/advisories/ZDI-17-321 · Note
• http://securityfocus.com/bid/98316 · Note