This Metasploit module attempts to gain root privileges with SUID Xorg X11 server versions 1.19.0 up to 1.20.3. A permission check flaw exists for -modulepath and -logfile options when starting Xorg. This allows unprivileged users that can start the server the ability to elevate privileges and run arbitrary code under root privileges. This module has been tested with CentOS 7 (1708). CentOS default install will require console auth for the users session. Xorg must have SUID permissions and may not start if running. On successful exploitation artifacts will be created consistent with starting Xorg.
9377740962fb859c56e4c74db8eb408580293ddee8808bfba3b45eda70d58cd2This Metasploit module will run a payload when the package manager is used. No handler is run automatically so you must configure an appropriate exploit/multi/handler to connect. Module modifies a yum plugin to launch a binary of choice. grep -F 'enabled=1' /etc/yum/pluginconf.d/ will show what plugins are currently enabled on the system.
9ad4ebf5274d32a4ec5669f7650369e77279b0e58aed7f270adb6811aa5ef260This Metasploit module creates a pre-invoke hook for APT in apt.conf.d. The hook name syntax is numeric followed by text.
1f668b2326d929a2db35db36bbceabf75db247b88b34a713c1e9a1f6b200a8b6This Metasploit module attempts to gain root privileges with SUID Xorg X11 server versions 1.19.0 up to 1.20.3. A permission check flaw exists for -modulepath and -logfile options when starting Xorg. This allows unprivileged users that can start the server the ability to elevate privileges and run arbitrary code under root privileges. This Metasploit module has been tested with OpenBSD 6.3, 6.4, and CentOS 7 (1708). CentOS default install will require console auth for the users session. Cron launches the payload so if Selinux is enforcing exploitation may still be possible, but the module will bail. Xorg must have SUID permissions and may not start if running. On exploitation a crontab.old backup file will be created by Xorg. This Metasploit module will remove the .old file and restore crontab after successful exploitation. Failed exploitation may result in a corrupted crontab. On successful exploitation artifacts will be created consistent with starting Xorg and running a cron.
720e628b35284931ff0424715e648634cd3ec31db1a89c8b1fff88eddfb6f4ab
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