CVE-2018-4190

2018-06-0800:00:00

ubuntu.com

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

0.012 Low

EPSS

Percentile

85.5%

JSON

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.

Notes

Author	Note
jdstrand	webkit receives limited support. For details, see https://wiki.ubuntu.com/SecurityTeam/FAQ#webkit webkit in Ubuntu uses the JavaScriptCore (JSC) engine, not V8

OSVersionArchitecturePackageVersionFilename
ubuntu17.10noarchwebkit2gtk< 2.20.3-0ubuntu0.17.10.1UNKNOWN
ubuntu18.04noarchwebkit2gtk< 2.20.3-0ubuntu0.18.04.1UNKNOWN
ubuntu16.04noarchwebkit2gtk< 2.20.3-0ubuntu0.16.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	17.10	noarch	webkit2gtk	< 2.20.3-0ubuntu0.17.10.1	UNKNOWN
ubuntu	18.04	noarch	webkit2gtk	< 2.20.3-0ubuntu0.18.04.1	UNKNOWN
ubuntu	16.04	noarch	webkit2gtk	< 2.20.3-0ubuntu0.16.04.1	UNKNOWN