The kernel in Apple iOS before 9.3.5 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.
Published 2016-08-25 21:59:01
Updated 2018-06-08 01:29:00
Source Apple Inc.
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionExecute codeDenial of service

CVE-2016-4656 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Apple iOS Memory Corruption Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
A memory corruption vulnerability in Apple iOS kernel allows attackers to execute code in a privileged context or cause a denial-of-service (DoS) via a crafted application.
Added on 2022-05-24 Action due date 2022-06-14

Exploit prediction scoring system (EPSS) score for CVE-2016-4656

0.91%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 83 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2016-4656

  • WebKit not_number defineProperties UAF
    Disclosure Date: 2016-08-25
    First seen: 2020-04-26
    exploit/apple_ios/browser/webkit_trident
    This module exploits a UAF vulnerability in WebKit's JavaScriptCore library. Authors: - qwertyoruiop - siguza - tihmstar - benjamin-42 - timwr

CVSS scores for CVE-2016-4656

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.3
HIGH AV:N/AC:M/Au:N/C:C/I:C/A:C
8.6
10.0
NIST
7.8
HIGH CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
1.8
5.9
NIST

CWE ids for CVE-2016-4656

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-4656

Products affected by CVE-2016-4656

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