High severity · published Aug 25, 2016
CVE-2016-4657
Apple iOS Webkit Memory Corruption Vulnerability
In wildKEV
8.8
CVSS
66.8%
EPSS
Yes
On KEV
Description
WebKit in Apple iOS before 9.3.5 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)66.8% · higher than 99% of CVEs
Exploited in the wildYes
CISA KEVListed May 24, 2022
Federal remediation dueJun 14, 2022
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 9.3.5 · source: NVD, KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-4657
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-4657
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_MISC
https://blog.lookout.com/blog/2016/08/25/trident-pegasus/
x_refsource_MISC
https://www.youtube.com/watch?v=xkdPjbaLngE
exploit
https://www.exploit-db.com/exploits/44836/
vdb-entry
http://www.securityfocus.com/bid/92653
x_refsource_CONFIRM
https://support.apple.com/HT207107
vendor-advisory
http://lists.apple.com/archives/security-announce/2016/Aug/msg00000.html
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