CVE-2022-34477 - Vulnerability Details - OpenCVE

Description

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.

Published: 2022-12-22

Score: 7.5 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Mozilla

Firefox

affected

Version	Status	Constraints
`unspecified`	affected	< 102

Configuration 1 [-]

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2022-37432	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.
Ubuntu USN	USN-5504-1	Firefox vulnerabilities

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00353.

Exploitation poc

Automatable yes

Technical Impact partial

References

Link	Providers
https://bugzilla.mozilla.org/show_bug.cgi?id=1731614
https://www.mozilla.org/security/advisories/mfsa2022-24/

History

Tue, 15 Apr 2025 19:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-203
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Mozilla Firefox

MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2022-12-22T00:00:00.000Z

Updated: 2025-04-15T18:16:15.551Z

Reserved: 2022-06-24T00:00:00.000Z

Link: CVE-2022-34477

Vulnrichment

Updated: 2024-08-03T09:15:15.131Z

NVD

Status : Modified

Published: 2022-12-22T20:15:32.707

Modified: 2025-04-15T19:16:03.767

Link: CVE-2022-34477

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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