CVE-2016-4743 Memory corruption in n/a

What is CVE-2016-4743?

CVE-2016-4743 is a high-severity memory corruption vulnerability in Apple Icloud, published on 20 Feb 2017. 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

An issue was discovered in certain Apple products. iOS before 10.2 is affected. Safari before 10.0.2 is affected. iCloud before 6.1 is affected. iTunes before 12.5.4 is affected. The issue involves the "WebKit" component. It allows remote attackers to obtain sensitive information from process memory or cause a denial of service (memory corruption and application crash) via a crafted web site.

Weakness: CWE-119

Which versions are affected by CVE-2016-4743?

It affects 4 products.

Products include Apple Icloud, Apple Iphone Os, Apple Itunes, Apple Safari.

How do I fix CVE-2016-4743?

Upgrade to a fixed version.

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

Is CVE-2016-4743 being exploited?

There is no known exploitation of CVE-2016-4743 in the wild and no public exploit code.

Other vulnerabilities in Apple Icloud

• CVE-2019-8506 Apple Multiple Products Type Confusion Exploited High 8.8
• CVE-2020-27932 Apple Multiple Products Type Confusion Exploited High 7.8
• CVE-2019-8746 Memory corruption in iOS Critical 9.8
• CVE-2019-8749 Memory corruption in iOS Critical 9.8
• CVE-2019-8756 Memory corruption in iOS Critical 9.8

All Apple Icloud vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2016-4743, GHSA-xh4r-9c4g-5jhv, UBUNTU-CVE-2016-4743.