CVE-2024-36257

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.

CVSS v3.1 Score

2.7

LOW

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

Weakness Type (CWE)

CWE-284 CWE-284

Affected Products

Vendor	Product	Versions
mattermost	mattermost	9.5.0 — 9.5.6
mattermost	mattermost	All

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2024-36257? +

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. It has a CVSS v3.1 base score of 2.7 (LOW).

How severe is CVE-2024-36257? +

CVE-2024-36257 has a CVSS v3.1 score of 2.7 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2024-36257? +

CVE-2024-36257 affects products from mattermost, specifically: mattermost. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-36257? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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