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gentooGentoo FoundationGLSA-202004-04
HistoryApr 01, 2020 - 12:00 a.m.

Qt WebEngine: Arbitrary code execution

2020-04-0100:00:00
Gentoo Foundation
security.gentoo.org
400

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.974

Percentile

99.9%

JSON

Background

Library for rendering dynamic web content in Qt5 C++ and QML applications.

Description

A use-after-free vulnerability has been found in the audio component of Qt WebEngine.

Impact

A remote attacker could entice a user to open a specially crafted media file in an application linked against Qt WebEngine, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All Qt WebEngine users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=dev-qt/qtwebengine-5.14.1"
OSVersionArchitecturePackageVersionFilename
Gentooanyalldev-qt/qtwebengine< 5.14.1UNKNOWN

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CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.974

Percentile

99.9%

JSON
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