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Researchers say the attacks are easy to perform, difficult to contact, nearly unrecognizable, and "entirely preventable."
The prolific ransomware group has shifted away from phishing as the method of entry into corporate networks, and is now using initial access brokers as well as its own tools to optimize its most recent attacks.
A malvertising campaign uses phishing to steal legitimate account pages, with the endgame of delivering the Lumma stealer.
An issue discovered in casdoor v1.636.0 allows attackers to obtain sensitive information via the `ssh.InsecureIgnoreHostKey()` method.
A TLS certificate verification issue discovered in cortex v0.42.1 allows attackers to obtain sensitive information via the makeOperatorRequest function.
Ubuntu Security Notice 6936-1 - It was discovered that Apache Commons Collections allowed serialization support for unsafe classes by default. A remote attacker could possibly use this issue to execute arbitrary code.
Ubuntu Security Notice 6941-1 - It was discovered that the Python ipaddress module contained incorrect information about which IP address ranges were considered âprivateâ or âglobally reachableâ. This could possibly result in applications applying incorrect security policies.
The lesson for users, especially if you’re a private company that primarily uses GitHub, is just to understand the inherent dangers of using open-source software.
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to properly validate synced posts, when shared channels are enabled, which allows a malicious remote to create/update/delete arbitrary posts in arbitrary channels
Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to disallow users to set their own remote username, when shared channels were enabled, which allows a user on a remote to set their remote username prop to an arbitrary string, which would be then synced to the local server as long as the user hadn't been synced before.