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ubuntucveUbuntu.comUB:CVE-2023-4580
HistoryAug 30, 2023 - 12:00 a.m.

CVE-2023-4580

2023-08-3000:00:00
ubuntu.com
ubuntu.com
12
push notifications
private browsing
encryption
sensitive information
firefox
thunderbird
vulnerability

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

25.9%

Push notifications stored on disk in private browsing mode were not being
encrypted potentially allowing the leak of sensitive information. This
vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird <
115.2.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
mdeslaur starting with Ubuntu 22.04, the firefox package is just a script that installs the Firefox snap

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

25.9%