Add SSH Tunnel check to SSH.pm to prevent users with shell access fro… #91
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…m creating spam tunnels. In the past, we have seen some instances of malicious users creating local SSH tunnels to send out spam email - They could also use tunnels to commit abusive behavior overall, for example, a user could technically create a ssh tunnel between a few different hacked servers for brute force attacks. This patch checks sshd_config (Tested against C7 + 11.66) and looks for X11Forwarding being set to yes, which implies default configuration (stock C7 enables all 3 methods of forwarding by default)
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CPANEL-15495 |
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…m creating spam tunnels.
In the past, we have seen some instances of malicious users creating local SSH tunnels to send out spam email - They could also use tunnels to commit abusive behavior overall, for example, a user could technically create a ssh tunnel between a few different hacked servers for brute force attacks.
This patch checks sshd_config (Tested against C7 + 11.66) and looks for X11Forwarding being set to yes, which implies default configuration (stock C7 enables all 3 methods of forwarding by default)