CVE-2023-48268 - CVE House
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Status published Medium CVE-2023-48268

Denial of Service via Board Import Zip Bomb

Vulnerability 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).

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • vultza (vultza)

References

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Affected Vendor

Affected Software

Mattermost
Vulnerable Versions:
0, 9.1.1, 9.0.2, 7.8.13, 8.1.4

Timeline

Official Publish: November 27th, 2023
Last Modified: December 2nd, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)

CWE-400

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1498 Network Denial of Service
Impact