apple ios CVE-2016-4657 is a vulnerability in Apple iOS
Published on August 25, 2016

WebKit in Apple iOS before 9.3.5 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.

Vendor Advisory Vendor Advisory NVD

Known Exploited Vulnerability

This Apple iOS Webkit Memory Corruption Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. WebKit in Apple iOS contains a memory corruption vulnerability which allows attackers to execute remote code or cause a denial-of-service via a crafted web site.

The following remediation steps are recommended / required by June 14, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2016-4657 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.8 out of four. The potential impact of an exploit of this vulnerability is considered to be very high.

What is a Memory Corruption Vulnerability?

The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.

CVE-2016-4657 has been classified to as a Memory Corruption vulnerability or weakness.


Products Associated with CVE-2016-4657

You can be notified by stack.watch whenever vulnerabilities like CVE-2016-4657 are published in these products:

Apple iOS
 

What versions of iOS are vulnerable to CVE-2016-4657?