CVE-2023-2831 - Vulnerability Details - OpenCVE

Mattermost fails to unescape Markdown strings in a memory-efficient way, allowing an attacker to cause a Denial of Service by sending a message containing a large number of escaped characters.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00118.

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::::::::
	cpe:2.3:a:mattermost:mattermost:7.10.0:::::::*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2023-34282	Mattermost fails to unescape Markdown strings in a memory-efficient way, allowing an attacker to cause a Denial of Service by sending a message containing a large number of escaped characters.

Fixes

Solution

Update Mattermost to version 7.1.10, 7.8.5, 7.9.4, 7.10.1 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: 2023-06-16T09:06:15.292Z

Updated: 2024-12-06T22:59:43.137Z

Reserved: 2023-05-22T09:30:20.884Z

Link: CVE-2023-2831

Vulnrichment

Updated: 2024-08-02T06:33:05.799Z

NVD

Status : Modified

Published: 2023-06-16T10:15:09.403

Modified: 2024-11-21T07:59:22.540

Link: CVE-2023-2831

Redhat

No data.

OpenCVE Enrichment

No data.

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