[ CVE-2016-4656 · Published 25 Aug 2016 ]
Apple iOS Memory Corruption Vulnerability
Exploited · CISA KEV CVSS 7.8
EPSS 24%No fix listed yet
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-05-24
- EPSS: 24% chance of exploitation in the next 30 days (higher than 98% of CVEs)
[ Description ]Official 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.
CISA: A memory corruption vulnerability in Apple iOS kernel allows attackers to execute code in a privileged context or cause a denial-of-service (DoS) via a crafted application.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 14 Jun 2022): Apply updates per vendor instructions.
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- lists.apple.com/archives/security-announce/2016/Aug/msg00000.htmlBroken LinkMailing ListVendor Advisory
- www.securityfocus.com/bid/92652Broken LinkThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1036694Broken LinkThird Party AdvisoryVDB Entry
- blog.lookout.com/blog/2016/08/25/trident-pegasusBroken Link
- support.apple.com/HT207107Release NotesVendor Advisory
- www.exploit-db.com/exploits/44836ExploitThird Party AdvisoryVDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource