CVE-2018-4200

high-risk
Published 2018-06-08

An issue was discovered in certain Apple products. iOS before 11.3.1 is affected. Safari before 11.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site that triggers a WebCore::jsElementScrollHeightGetter use-after-free.

Do I need to act?

!
40.0% chance of exploitation in next 30 days
EPSS score — higher than 60% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
1 public exploit available
44566
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (8)

Affected Vendors

Apple Canonical

References (22)

Third Party Advisory http://www.securityfocus.com/bid/103961
Third Party Advisory http://www.securitytracker.com/id/1040743
Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=1525
Third Party Advisory https://security.gentoo.org/glsa/201808-04
Vendor Advisory https://support.apple.com/HT208741
Vendor Advisory https://support.apple.com/HT208743
Vendor Advisory https://support.apple.com/HT208850
Vendor Advisory https://support.apple.com/HT208852
Vendor Advisory https://support.apple.com/HT208853
Third Party Advisory https://usn.ubuntu.com/3640-1/
Exploit https://www.exploit-db.com/exploits/44566/
Third Party Advisory http://www.securityfocus.com/bid/103961
Third Party Advisory http://www.securitytracker.com/id/1040743
Exploit https://bugs.chromium.org/p/project-zero/issues/detail?id=1525
Third Party Advisory https://security.gentoo.org/glsa/201808-04
Vendor Advisory https://support.apple.com/HT208741
Vendor Advisory https://support.apple.com/HT208743
Vendor Advisory https://support.apple.com/HT208850
Vendor Advisory https://support.apple.com/HT208852
Vendor Advisory https://support.apple.com/HT208853
and 2 more references
68
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 24/34 · High
Exposure 14/34 · Moderate