Astra Linux – Vulnerability in Thunderbird

Thunderbird does not check whether the user ID associated with an OpenPGP key has a valid self-signature. An attacker may create a forged version of an OpenPGP key, either by replacing the original user ID or by adding another user ID. If Thunderbird imports and accepts the forged key, the...

Mattermost allows remote actor to set arbitrary RemoteId values for synced users

Mattermost versions 9.9.x = 9.9.0 and 9.5.x = 9.5.6 fail to validate the source of sync messages and only allow the correct remote IDs, which allows a malicious remote to set arbitrary RemoteId values for synced users and therefore claim that a user was synced from another remote...