Cross-origin policy bypass in iCloud for Windows - CVE-2018-4311
Published: October 9, 2018
Vulnerability identifier: #VU15211
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-4311
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Apple Inc.
Affected software:
iCloud for Windows
iCloud for Windows
Detailed vulnerability description
The disclosed vulnerability allows a remote attacker to bypass cross-origin policy on the target system.
The vulnerability exists in WebKit component due to cross-origin SecurityErrors includes the accessed frame’s origin. A remote attacker can trick the victim into visiting a specially crafted website and bypass cross-origin policy.
How to mitigate CVE-2018-4311
Update to version 7.7.