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17 July 2023

Vulnerabilities first published on this day (UTC), newest first.

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  • Low —

    topgrade Time-of-check Time-of-use (TOCTOU) Race Condition in remove_dir_all

    ### Summary https://github.com/advisories/GHSA-mc8h-8q98-g5hr https://github.com/XAMPPRocky/remove_dir_all/commit/7247a8b6ee59fc99bbb69ca6b3ca4bfd8c809ead `tempfile` v0.4.26 ships with affected `remove_dir_all` v0.5.3 and so blocks my deployment of v12 to ope…

  • Low 3.5

    Guest accounts invited and added to channels by Welcomebot plugin

    Mattermost WelcomeBot plugin fails to to validate the membership status when inviting or adding users to channels allowing guest accounts to be added or invited to channels by default.

  • Low 3.1

    Deleted attachments in Boards remain accessible

    Mattermost fails to delete card attachments in Boards, allowing an attacker to access deleted attachments.

  • Low 2.7

    Inconsistent state in UI after boards permission change by system admin

    Mattermost fails to properly show information in the UI, allowing a system admin to modify a board state allowing any user with a valid sharing link to join the board with editor access, without the UI showing the updated permissions.

  • Low 3.1

    Member can create team with team override scheme

    Mattermost fails to properly check the authorization of POST /api/v4/teams when passing a team override scheme ID in the request, allowing an authenticated attacker with knowledge of a Team Override Scheme ID to create a new team with said team override schem…

  • Low 3.5

    Limited blind SSRF to localhost/intranet in interactive dialog implementation

    Mattermost fails to properly restrict requests to localhost/intranet during the interactive dialog, which could allow an attacker to perform a limited blind SSRF.

  • Low 3.5

    OmniSharp csharp-language-server-protocol JSON Serializer SerializerBase.cs CreateSerializerSettings resource consumption

    A vulnerability has been found in OmniSharp csharp-language-server-protocol up to 0.19.6 and classified as problematic. This vulnerability affects the function CreateSerializerSettings of the file src/JsonRpc/Serialization/SerializerBase.cs of the component J…