Medium severity · published Sep 25, 2016
CVE-2016-4763
WKWebView in WebKit in Apple iOS before 10, iTunes before 12.5.1 on Windows, and Safari before 10 does not properly verify X.509 certificates from HTTPS servers, which allows…
6.8
CVSS
1.2%
EPSS
No
On KEV
Description
WKWebView in WebKit in Apple iOS before 10, iTunes before 12.5.1 on Windows, and Safari before 10 does not properly verify X.509 certificates from HTTPS servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
through 9.3.5 · source: NVD
IT
Itunes · Apple
through 12.4.3 · source: NVD
SA
Safari · Apple
through 9.1.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-4763
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-4763
Mailing List
http://lists.apple.com/archives/security-announce/2016/Sep/msg00007.html
Mailing List
http://lists.apple.com/archives/security-announce/2016/Sep/msg00008.html
Mailing List
http://lists.apple.com/archives/security-announce/2016/Sep/msg00012.html
www.securityfocus.com
http://www.securityfocus.com/bid/93066
www.securitytracker.com
http://www.securitytracker.com/id/1036854
Vendor Advisory
https://support.apple.com/HT207143
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