CVE-2016-4655: Apple iOS Information Disclosure Vulnerability

CVE-2016-4655 · Severity: critical · CVSS 5.5 · Exploited in the wild · Published 2022-05-24

The kernel in Apple iOS before 9.3.5 allows local attackers to obtain sensitive information from memory via a crafted application. This vulnerability was part of the 'Trident' exploit chain used in the Pegasus spyware.

Technologies: Apple iPadOS, Apple macOS, Apple watchOS, Cisco IOS. Vendors: Apple, Cisco.

Quick answers

Is CVE-2016-4655 exploited in the wild?
Yes. CVE-2016-4655 is known to be exploited in the wild, first recorded on 24 May 2022. Treat it as urgent.
How severe is CVE-2016-4655?
Critical severity, with a CVSS score of 5.5, published 24 May 2022.
Which products and versions are affected?
Apple iOS before 9.3.5.
Is there a fix for CVE-2016-4655?
A patch was published on 2016-08-25: Apple released iOS 9.3.5 to address the vulnerability Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2016-4655 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2016-4655?
Check whether you run Apple iPadOS, Apple macOS, Apple watchOS or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Apple iOS before 9.3.5

Timeline

  • 2016-08-25: disclosed: Public disclosure of Trident/Pegasus exploits by Lookout
  • 2016-08-25: patched: Apple released iOS 9.3.5 to address the vulnerability
  • 2022-05-24: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2022-05-24: exploited: Reported as exploited in the wild in CISA KEV catalog

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