CVE-2016-4657: Apple iOS Webkit Memory Corruption Vulnerability
First published: Thu Aug 25 2016(Updated: )
Apple iOS WebKit contains a memory corruption vulnerability that allows attackers to execute remote code or cause a denial-of-service (DoS) via a crafted web site. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.
Credit: product-security@apple.com product-security@apple.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple iOS and iPadOS | ||
| iPhone OS | <9.3.5 | |
| iPhone OS | <=9.3.4 |
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Reference Links
- http://lists.apple.com/archives/security-announce/2016/Aug/msg00000.html
- http://www.securityfocus.com/bid/92653
- http://www.securitytracker.com/id/1036694
- https://blog.lookout.com/blog/2016/08/25/trident-pegasus/
- https://support.apple.com/HT207107
- https://www.exploit-db.com/exploits/44836/
- https://www.youtube.com/watch?v=xkdPjbaLngE
- https://nvd.nist.gov/vuln/detail/CVE-2016-4657
Frequently Asked Questions
What is the severity of CVE-2016-4657?
CVE-2016-4657 is classified as a high severity vulnerability due to its potential to allow remote code execution.
How do I fix CVE-2016-4657?
To fix CVE-2016-4657, update affected Apple iOS devices to the latest version of iOS beyond 9.3.5.
What are the consequences of exploiting CVE-2016-4657?
Exploiting CVE-2016-4657 can lead to remote code execution or denial-of-service (DoS) conditions on the affected device.
Which devices are affected by CVE-2016-4657?
CVE-2016-4657 affects Apple iOS devices running versions up to 9.3.4 and less than 9.3.5.
What causes CVE-2016-4657?
CVE-2016-4657 is caused by a memory corruption vulnerability in Apple iOS WebKit that can be triggered by a crafted website.
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