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ubuntucveUbuntu.comUB:CVE-2022-40959
HistorySep 28, 2022 - 12:00 a.m.

CVE-2022-40959

2022-09-2800:00:00
ubuntu.com
ubuntu.com
16
featurepolicy initialization bypass
device permissions leak
firefox esr < 102.3
thunderbird < 102.3
firefox < 105
ubuntu 22.04
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

45.1%

During iframe navigation, certain pages did not have their FeaturePolicy
fully initialized leading to a bypass that leaked device permissions into
untrusted subdocuments. This vulnerability affects Firefox ESR < 102.3,
Thunderbird < 102.3, and Firefox < 105.

Notes

Author Note
mdeslaur starting with Ubuntu 22.04, the firefox package is just a script that installs the Firefox snap
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchfirefox< 105.0+build2-0ubuntu0.18.04.1UNKNOWN
ubuntu20.04noarchfirefox< 105.0+build2-0ubuntu0.20.04.1UNKNOWN
ubuntu18.04noarchthunderbird< 1:102.4.2+build2-0ubuntu0.18.04.1UNKNOWN
ubuntu20.04noarchthunderbird< 1:102.4.2+build2-0ubuntu0.20.04.1UNKNOWN
ubuntu22.04noarchthunderbird< 1:102.4.2+build2-0ubuntu0.22.04.1UNKNOWN

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

45.1%