CVE-2023-48268

Denial of Service via Board Import Zip Bomb

Published Nov 27, 2023 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
Mattermost fails to limit the amount of data extracted from compressed archives during board import in Mattermost Boards allowing an attacker to consume excessive resources, possibly leading to Denial of Service, by importing a board using a specially crafted zip (zip bomb).

Remediation

Vendor Solution

Update Mattermost Server to versions 9.1.1, 9.0.2, 7.8.13, 8.1.4 or higher.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-2981 Mattermost fails to limit the amount of data extracted from compressed archives during board import in Mattermost Boards allowing an attacker to consume excessive resources, possibly leading to Denial of Service, by importing a board using a specially crafted zip (zip bomb).
Github GHSA Github GHSA GHSA-j4c3-3h73-74m9 Mattermost Uncontrolled Resource Consumption vulnerability
References
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Dec 2, 2024, 7:33 PM
Reserved
Nov 22, 2023, 11:18 AM
Status
Modified
Published
Nov 27, 2023, 10:15 AM
Modified
Jun 17, 2026, 6:33 AM