CVE-2016-4656
HIGH severity · CVSS 7.8 · Out-of-bounds write · actively exploited (CISA KEV)
7.8CVSS HIGH exploited
Actively exploited in the wild (CISA Known Exploited Vulnerabilities).
Added to KEV 2022-05-24. US federal agencies must patch by 2022-06-14.
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)24%
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://lists.apple.com/archives/security-announce/2016/Aug/msg00000.htmlAdvisory
- https://support.apple.com/HT207107Advisory
- http://www.securityfocus.com/bid/92652Advisory
- http://www.securitytracker.com/id/1036694Advisory
- https://blog.lookout.com/blog/2016/08/25/trident-pegasus/
- https://www.exploit-db.com/exploits/44836/Advisory