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ubuntucveUbuntu.comUB:CVE-2020-15654
HistoryJul 29, 2020 - 12:00 a.m.

CVE-2020-15654

2020-07-2900:00:00
ubuntu.com
ubuntu.com
12

4.3 Medium

CVSS2

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

0.004 Low

EPSS

Percentile

72.5%

When in an endless loop, a website specifying a custom cursor using CSS
could make it look like the user is interacting with the user interface,
when they are not. This could lead to a perceived broken state, especially
when interactions with existing browser dialogs and warnings do not work.
This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and
Thunderbird < 78.1.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchfirefox< 79.0+build1-0ubuntu0.18.04.1UNKNOWN
ubuntu20.04noarchfirefox< 79.0+build1-0ubuntu0.20.04.1UNKNOWN
ubuntu20.10noarchfirefox< 80.0.1+build1-0ubuntu1UNKNOWN
ubuntu21.04noarchfirefox< 80.0.1+build1-0ubuntu1UNKNOWN
ubuntu21.10noarchfirefox< 80.0.1+build1-0ubuntu1UNKNOWN
ubuntu22.04noarchfirefox< 80.0.1+build1-0ubuntu1UNKNOWN
ubuntu22.10noarchfirefox< 80.0.1+build1-0ubuntu1UNKNOWN
ubuntu23.04noarchfirefox< 80.0.1+build1-0ubuntu1UNKNOWN
ubuntu23.10noarchfirefox< 80.0.1+build1-0ubuntu1UNKNOWN
ubuntu24.04noarchfirefox< 80.0.1+build1-0ubuntu1UNKNOWN
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4.3 Medium

CVSS2

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

0.004 Low

EPSS

Percentile

72.5%