CVE-2022-34477

2022-07-0500:00:00

ubuntu.com

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

49.6%

JSON

The MediaError message property should be consistent to avoid leaking
information about cross-origin resources; however for a same-site
cross-origin resource, the message could have leaked information enabling
XS-Leaks attacks. This vulnerability affects Firefox < 102.

Notes

Author	Note
mdeslaur	starting with Ubuntu 22.04, the firefox package is just a script that installs the Firefox snap

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchfirefox< 102.0+build2-0ubuntu0.18.04.1UNKNOWN
ubuntu20.04noarchfirefox< 102.0+build2-0ubuntu0.20.04.1UNKNOWN
ubuntu21.10noarchfirefox< 102.0+build2-0ubuntu0.21.10.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	firefox	< 102.0+build2-0ubuntu0.18.04.1	UNKNOWN
ubuntu	20.04	noarch	firefox	< 102.0+build2-0ubuntu0.20.04.1	UNKNOWN
ubuntu	21.10	noarch	firefox	< 102.0+build2-0ubuntu0.21.10.1	UNKNOWN