VulnerabilityAnalyzed
CVE-2016-4656
Apple iOS Memory Corruption Vulnerability
KEVHIGH 7.8EPSS 23.6%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 14 June 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 23.63% probability · 98th percentile
- CISA KEV
- Listed 24 May 2022 · due 14 June 2022
- Weakness
- CWE-787
- Affected
- apple/iphone os
- Source
- product-security@apple.com
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2016-4656
References
- http://lists.apple.com/archives/security-announce/2016/Aug/msg00000.htmlBroken Link, Mailing List, Vendor Advisory
- http://www.securityfocus.com/bid/92652Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036694Broken Link, Third Party Advisory, VDB Entry
- https://blog.lookout.com/blog/2016/08/25/trident-pegasus/Broken Link
- https://support.apple.com/HT207107Release Notes, Vendor Advisory
- https://www.exploit-db.com/exploits/44836/Exploit, Third Party Advisory, VDB Entry
- http://lists.apple.com/archives/security-announce/2016/Aug/msg00000.htmlBroken Link, Mailing List, Vendor Advisory
- http://www.securityfocus.com/bid/92652Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036694Broken Link, Third Party Advisory, VDB Entry
- https://blog.lookout.com/blog/2016/08/25/trident-pegasus/Broken Link
- https://support.apple.com/HT207107Release Notes, Vendor Advisory
- https://www.exploit-db.com/exploits/44836/Exploit, Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-4656US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.