CVE-2024-54682

Zipbomb DoS via Missing Slack Import Validation

Published Dec 16, 2024 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Mattermost versions 10.1.x <= 10.1.2, 10.0.x <= 10.0.2, 9.11.x <= 9.11.4, 9.5.x <= 9.5.12 fail to limit the file size for slack import file uploads which allows a user to cause a DoS via zip bomb by importing data in a team they are a team admin.

Remediation

Vendor Solution

Update Mattermost to versions 10.2.0, 10.1.3, 10.0.3, 9.11.5, 9.5.13 or higher.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-3533 Mattermost versions 10.1.x <= 10.1.2, 10.0.x <= 10.0.2, 9.11.x <= 9.11.4, 9.5.x <= 9.5.12 fail to limit the file size for slack import file uploads which allows a user to cause a DoS via zip bomb by importing data in a team they are a team admin.
Github GHSA Github GHSA GHSA-v647-h8jj-fw5r Mattermost Data Amplification vulnerability
References
History
Type Values Removed Values Added
First Time appeared Mattermost mattermost Server
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Vendors & Products Mattermost mattermost Server
Type Values Removed Values Added
Metrics epss

{'score': 0.00076}

epss

{'score': 0.00082}

Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description Mattermost versions 10.1.x <= 10.1.2, 10.0.x <= 10.0.2, 9.11.x <= 9.11.4, 9.5.x <= 9.5.12 fail to limit the file size for slack import file uploads which allows a user to cause a DoS via zip bomb by importing data in a team they are a team admin.
Title Zipbomb DoS via Missing Slack Import Validation
Weaknesses CWE-409
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Dec 16, 2024, 4:03 PM
Reserved
Dec 11, 2024, 10:11 AM
Status
Analyzed
Published
Dec 16, 2024, 8:15 AM
Modified
Jun 17, 2026, 8:10 AM