CVE-2021-37865

CVSS V2 Low 3.5 CVSS V3 Medium 5.7

Description

Mattermost 6.2 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.

Overview

CVE ID
CVE-2021-37865

Assigner
responsibledisclosure@mattermost.com

Vulnerability Status
Analyzed

Published Version
2022-01-18T17:15:08

Last Modified Date
2022-01-24T17:58:43

Weakness Enumerations

CWE	URL
CWE-400	http://cwe.mitre.org/data/definitions/400.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:mattermost:mattermost::::::::	1	OR		6.2.0

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:M/Au:S/C:N/I:N/A:P

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
SINGLE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
PARTIAL

Base Score
3.5

Severity
LOW

Exploitability Score
6.8

Impact Score
2.9

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
REQUIRED

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
5.7

Base Severity
MEDIUM

Exploitability Score
2.1

Impact Score
3.6

References

Reference URL	Reference Tags
https://hackerone.com/reports/1428260	Permissions Required
https://mattermost.com/security-updates/	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-37865
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37865

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:36:29				Added to TrackCVE
2022-12-06 06:53:05	2022-01-18T17:15Z	2022-01-18T17:15:08	CVE Published Date	updated
2022-12-06 06:53:05		2022-01-24T17:58:43	CVE Modified Date	updated
2022-12-06 06:53:05		Analyzed	Vulnerability Status	updated