Detections
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Mattermost Server < 8.1.8 / 9.x < 9.1.5 / 9.2.x < 9.2.4 (MMSA-2023-00276)

medium Nessus Plugin ID 190508

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Synopsis

The remote host is missing a security update.

Description

The version of Mattermost Server installed on the remote host is prior to 8.1.8, 9.x prior to 9.1.5 or 9.2.x prior to 9.2.4. It is, therefore, affected by a vulnerability as referenced in the MMSA-2023-00276 advisory.

 - Mattermost fails to check if a custom emoji reaction exists when sending it to a post and to limit the amount of custom emojis allowed to be added in a post, allowing an attacker sending a huge amount of non- existent custom emojis in a post to crash the mobile app of a user seeing the post. (CVE-2024-1402)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade Mattermost Server based upon the guidance specified in MMSA-2023-00276.

See Also

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

Plugin Details

Severity: Medium

ID: 190508

File Name: mattermost_server_mmsa-2023-00276.nasl

Version: 1.3

Type: remote

Family: CGI abuses

Published: 2/14/2024

Updated: 3/8/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2024-1402

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:mattermost:mattermost_server

Required KB Items: installed_sw/Mattermost Server

Exploit Ease: No known exploits are available

Patch Publication Date: 1/9/2024

Vulnerability Publication Date: 2/9/2024

Reference Information

CVE: CVE-2024-1402

IAVA: 2024-A-0082-S