CVE-2022-3257

Mattermost version 7.1.x and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://hackerone.com/reports/1620170	Exploit Third Party Advisory
https://mattermost.com/security-updates/	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2022-09-23 15:15

Updated : 2024-02-28 19:29

NVD link : CVE-2022-3257

Mitre link : CVE-2022-3257

CVE.ORG link : CVE-2022-3257

JSON object : View

Products Affected

mattermost

mattermost_server

CWE

CWE-434

Unrestricted Upload of File with Dangerous Type

CWE-400

Uncontrolled Resource Consumption

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