The default configuration of the pam_xauth module forwards MIT-Magic-Cookies to new X sessions, which could allow local users to gain root privileges by stealing the cookies from a temporary .xauth file, which is created with the original users credentials after root uses su.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Linux | Redhat | 7.1 (including) | 7.1 (including) |
| Linux | Redhat | 7.2 (including) | 7.2 (including) |
| Linux | Redhat | 7.3 (including) | 7.3 (including) |
| Linux | Redhat | 8.0 (including) | 8.0 (including) |