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ubuntucveUbuntu.comUB:CVE-2018-12369
HistoryJun 27, 2018 - 12:00 a.m.

CVE-2018-12369

2018-06-2700:00:00
ubuntu.com
ubuntu.com
4

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.011 Low

EPSS

Percentile

84.6%

WebExtensions bundled with embedded experiments were not correctly checked
for proper authorization. This allowed a malicious WebExtension to gain
full browser permissions. This vulnerability affects Firefox ESR < 60.1 and
Firefox < 61.

OSVersionArchitecturePackageVersionFilename
ubuntu17.10noarchfirefox< 61.0+build3-0ubuntu0.17.10.1UNKNOWN
ubuntu18.04noarchfirefox< 61.0+build3-0ubuntu0.18.04.1UNKNOWN
ubuntu14.04noarchfirefox< 61.0+build3-0ubuntu0.14.04.2UNKNOWN
ubuntu16.04noarchfirefox< 61.0+build3-0ubuntu0.16.04.2UNKNOWN

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.011 Low

EPSS

Percentile

84.6%