The Xsession script, as used by X Display Manager (xdm) in NetBSD before 20060212, X.Org before 20060317, and Solaris 8 through 10 before 20061006, allows local users to overwrite arbitrary files, or read another users Xsession errors file, via a symlink attack on a /tmp/xses-$USER file.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Xdm | X.org | * | 1.0.3 (including) |