CVE-2016-4656 Apple iOS Memory Corruption

Exploited in the wild High 7.8 Published Updated

Attackers can execute arbitrary code or cause denial of service via a crafted app due to memory corruption in the iOS kernel.

Exploited in the wild
Since 24 May 2022
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2016-4656?

CVE-2016-4656 is a high-severity memory corruption vulnerability in Apple Iphone Os, published on 25 Aug 2016. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-787

Which versions are affected by CVE-2016-4656?

It affects 1 product.

Products include Apple Iphone Os.

How do I fix CVE-2016-4656?

No fix has been published for CVE-2016-4656 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 14 Jun 2022.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2016-4656 being exploited?

Yes. Attackers have exploited CVE-2016-4656 in the wild since at least 24 May 2022.

Public exploit code: 1 Metasploit module and 1 Exploit-DB entry.

All Apple Iphone Os vulnerabilities

Sources

Also known as GHSA-6x59-8x45-xrp8.

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