CVE-2023-2808 - Vulnerability Details - OpenCVE

Mattermost fails to normalize UTF confusable characters when determining if a preview should be generated for a hyperlink, allowing an attacker to trigger link preview on a disallowed domain using a specially crafted link.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

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 0.0017.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Mattermost	Mattermost

Configuration 1 [-]

OR	cpe:2.3:a:mattermost:mattermost::::::::
	cpe:2.3:a:mattermost:mattermost::::::::
	cpe:2.3:a:mattermost:mattermost::::::::

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2023-34261	Mattermost fails to normalize UTF confusable characters when determining if a preview should be generated for a hyperlink, allowing an attacker to trigger link preview on a disallowed domain using a specially crafted link.

Fixes

Solution

Update Mattermost to version v7.1.9, v7.8.4, v7.9.3, v7.10, or higher.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://mattermost.com/security-updates/

History

Fri, 06 Dec 2024 23:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: Mattermost

Published: 2023-05-29T09:07:34.768Z

Updated: 2024-12-06T23:04:02.110Z

Reserved: 2023-05-19T09:34:03.996Z

Link: CVE-2023-2808

Vulnrichment

Updated: 2024-08-02T06:33:05.597Z

NVD

Status : Modified

Published: 2023-05-29T10:15:10.083

Modified: 2024-11-21T07:59:19.863

Link: CVE-2023-2808

Redhat

No data.

OpenCVE Enrichment

No data.

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