WID-SEC-W-2023-2763

csafDEcert_bund

DeutschShown in its original language — a full translation is planned for a future version.

Mattermost: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff

view advisory published 2023-10-29

Ein Angreifer kann mehrere Schwachstellen in Mattermost ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.

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describes (9)

Related CVEs.

IDseverity exploitable
CVE-2023-6202USmedium4.3—
Mattermost fails to perform proper authorization in the /plugins/focalboard/api/v2/users endpoint allowing an attacker who is a guest user and knows the ID of another user to get t…
CVE-2023-48369USmedium5.3—
Mattermost fails to limit the log size of server logs allowing an attacker sending specially crafted requests to different endpoints to potentially overflow the log.
CVE-2023-48268UShigh7.5—
Mattermost fails to limit the amount of data extracted from compressed archives during board import in Mattermost Boards allowing an attacker to consume excessive resources, possib…
CVE-2023-47168USmedium6.1—
Mattermost fails to properly check a redirect URL parameter allowing for an open redirect was possible when the user clicked "Back to Mattermost" after providing a invalid custom u…
CVE-2023-45223USmedium4.3—
Mattermost fails to properly validate the "Show Full Name" option in a few endpoints in Mattermost Boards, allowing a member to get the full name of another user even if the Show F…
CVE-2023-43754USmedium4.3—
Mattermost fails to check whether the  “Allow users to view archived channels”  setting is enabled during permalink previews display, allowing members to view permalink previews of…
CVE-2023-40703UShigh7.5—
Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing a attacker to consume excessive resources, possibly leading t…
CVE-2023-35075USmedium5.4—
Mattermost fails to use  innerText / textContent when setting the channel name in the webapp during autocomplete, allowing an attacker to inject HTML to a victim's page by create a…
CVE-2023-47865USmedium4.3—
Mattermost fails to check if hardened mode is enabled when overriding the username and/or the icon when posting a post. If settings allowed integrations to override the username an…
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references

External citations — patches, advisories, analysis.

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