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CVE-2024-36257

July 3, 2024, 12:53 p.m.

CVSS Score

2.7 / 10

Product(s) Impacted

Mattermost

  • 9.5.x <= 9.5.5
  • 9.8.0

Description

Mattermost versions 9.5.x <= 9.5.5 and 9.8.0, when using shared channels with multiple remote servers connected, fail to check that the remote server A requesting the server B to update the profile picture of a user is the remote that actually has the user as a local one . This allows a malicious remote A to change the profile images of users that belong to another remote server C that is connected to the server A.

Weaknesses

CWE-284
Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

CWE ID: 284

Date

Published: July 3, 2024, 9:15 a.m.

Last Modified: July 3, 2024, 12:53 p.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

responsibledisclosure@mattermost.com

CVSS Data

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

Base Score
2.7
Exploitability Score
1.2
Impact Score
1.4
Base Severity
LOW
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

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

References

https://mattermost.com/ responsibledisclosure@mattermost.com