Memory corruption in Apple iOS and macOS - CVE-2016-4656
Published: August 25, 2016 / Updated: May 24, 2022
Vulnerability identifier: #VU4574
CSH Severity: Medium
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-4656
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists due to a boundary error when processing a malicious application. A local attacker can run a specially crafted application, trigger memory corruption and execute arbitrary code with SYSTEM privileges.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Note: the vulnerability was being actively exploited.
Affected software
Apple iOS
macOS
macOS
How to mitigate CVE-2016-4656
Update Apple iOS to version 9.3.5.
Update MAC OS X to version 10.11.6.
Update MAC OS X to version 10.11.6.