CVE-2018-21250 Information

Description

An issue was discovered in Mattermost Server before 5.2.2 5.1.2 and 4.10.4. It allows remote attackers to cause a denial of service (memory consumption) via crafted image dimensions.

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5