CVE-2018-4190
HIGHSafari < 11.1.1 - Credential Exposure via CSS Mask-Image Fetch
Title source: llmDescription
An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 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 obtain sensitive credential information that is transmitted during a CSS mask-image fetch.
References (8)
Core 8
Core References
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208850
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208853
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201808-04
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208854
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1041029
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3687-1/
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208848
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208852
Scores
CVSS v3
8.8
EPSS
0.0275
EPSS Percentile
86.2%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-522
Status
published
Products (8)
apple/icloud
< 7.5
apple/iphone_os
< 11.4
apple/itunes
< 12.7.5
apple/safari
< 11.1.1
apple/tvos
< 11.4
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
17.10
canonical/ubuntu_linux
18.04
Published
Jun 08, 2018
Tracked Since
Feb 18, 2026