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Ubuntu.comUB:CVE-2019-8649

HistorySep 04, 2019 - 12:00 a.m.

CVE-2019-8649

2019-09-0400:00:00

ubuntu.com

logic issue

synchronous page loads

state management

ios 12.4

macos mojave 10.14.6

tvos 12.4

safari 12.1.2

itunes for windows 12.9.6

icloud for windows 7.13

icloud for windows 10.6

universal cross site scripting

web content

webkit

javascriptcore

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.023

Percentile

89.8%

JSON

A logic issue existed in the handling of synchronous page loads. This issue
was addressed with improved state management. This issue is fixed in iOS
12.4, macOS Mojave 10.14.6, tvOS 12.4, Safari 12.1.2, iTunes for Windows
12.9.6, iCloud for Windows 7.13, iCloud for Windows 10.6. Processing
maliciously crafted web content may lead to universal cross site scripting.

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
ubuntu18.04noarchwebkit2gtk< 2.24.4-0ubuntu0.18.04.1UNKNOWN
ubuntu19.04noarchwebkit2gtk< 2.24.4-0ubuntu0.19.04.1UNKNOWN