Utempter allows device names that contain .. (dot dot) directory traversal sequences, which allows local users to overwrite arbitrary files via a symlink attack on device names in combination with an application that trusts the utmp or wtmp files.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Gentoo Linux | — | Upgrade sys-apps/utempter. | Oct 30, 2017 | Aug 18, 2004 |
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