CVE-2016-4622

high-risk
Published 2016-07-22

WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, a different vulnerability than CVE-2016-4589, CVE-2016-4623, and CVE-2016-4624.

Do I need to act?

!
68.8% chance of exploitation in next 30 days
EPSS score — higher than 31% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

Apple

References (24)

Mailing List http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html
Mailing List http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html
Mailing List http://lists.apple.com/archives/security-announce/2016/Jul/msg00004.html
Third Party Advisory http://packetstormsecurity.com/files/138502/WebKitGTK-SOP-Bypass-Information-Dis...
Third Party Advisory http://www.securityfocus.com/archive/1/539295/100/0/threaded
Third Party Advisory http://www.securityfocus.com/bid/91830
Third Party Advisory http://www.securitytracker.com/id/1036343
Third Party Advisory http://www.zerodayinitiative.com/advisories/ZDI-16-485
Third Party Advisory http://www.zerodayinitiative.com/advisories/ZDI-16-486
Vendor Advisory https://support.apple.com/HT206900
Vendor Advisory https://support.apple.com/HT206902
Vendor Advisory https://support.apple.com/HT206905
Mailing List http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html
Mailing List http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html
Mailing List http://lists.apple.com/archives/security-announce/2016/Jul/msg00004.html
Third Party Advisory http://packetstormsecurity.com/files/138502/WebKitGTK-SOP-Bypass-Information-Dis...
Third Party Advisory http://www.securityfocus.com/archive/1/539295/100/0/threaded
Third Party Advisory http://www.securityfocus.com/bid/91830
Third Party Advisory http://www.securitytracker.com/id/1036343
Third Party Advisory http://www.zerodayinitiative.com/advisories/ZDI-16-485
and 4 more references
58
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 19/34 · Moderate
Exposure 9/34 · Low