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CVE-2024-1402

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CVE-2024-1402

Published: Feb 9, 2024

Modified: Aug 1, 2024

PUBLISHED

CVSS v3.1

4.3

MEDIUM

Description

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 and to crash the server due to overloading when clients attempt to retrive the aforementioned post. 

VendorProductVersions

Mattermost

Mattermost

affected
0 - <= 8.1.7
affected
0 - <= 9.1.4
affected
0 - <= 9.2.3
unaffected
9.3.0
unaffected
9.2.4

+2 more versions

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

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