CVE-2023-3593 - Vulnerability Details - OpenCVE

Description

Mattermost fails to properly validate markdown, allowing an attacker to crash the server via a specially crafted markdown input.

Published: 2023-07-17

Score: 4.3 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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

Vendor Product Default status Versions

Mattermost

Mattermost

unaffected

Version	Status	Constraints
`0`	affected	≤ 7.8.6
`0`	affected	≤ 7.9.4
`0`	affected	≤ 7.10.2
`7.8.7`	unaffected	—
`7.9.5`	unaffected	—
`7.10.3`	unaffected	—

Configuration 1 [-]

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

No data.

No data available yet.

Remediation

Vendor Solution

Update Mattermost to versions v7.8.7, v7.9.5, v7.10.3 or higher

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2023-44243	Mattermost fails to properly validate markdown, allowing an attacker to crash the server via a specially crafted markdown input.

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 0.00158.

Exploitation none

Automatable no

Technical Impact partial

References

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

History

Mon, 21 Oct 2024 20:15:00 +0000

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

Subscriptions

Mattermost Mattermost Server

MITRE

Status: PUBLISHED

Assigner: Mattermost

Published: 2023-07-17T15:38:57.759Z

Updated: 2024-10-21T19:40:56.331Z

Reserved: 2023-07-10T15:18:02.205Z

Link: CVE-2023-3593

Vulnrichment

Updated: 2024-08-02T07:01:57.038Z

NVD

Status : Modified

Published: 2023-07-17T16:15:11.037

Modified: 2024-11-21T08:17:37.570

Link: CVE-2023-3593

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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