Expreserve, as used in vi and ex, allows local users to overwrite arbitrary files and gain root access.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Hp-ux | Hp | 9 (including) | 9 (including) |
| Hp-ux | Hp | 10 (including) | 10 (including) |
| Solaris | Sun | 2.4 (including) | 2.4 (including) |
| Sunos | Sun | 4.1.1 (including) | 4.1.1 (including) |
| Sunos | Sun | 4.1.2 (including) | 4.1.2 (including) |
| Sunos | Sun | 4.1.3 (including) | 4.1.3 (including) |
| Sunos | Sun | 4.1.3c (including) | 4.1.3c (including) |
| Sunos | Sun | 4.1.3u1 (including) | 4.1.3u1 (including) |
| Sunos | Sun | 5.0 (including) | 5.0 (including) |
| Sunos | Sun | 5.1 (including) | 5.1 (including) |
| Sunos | Sun | 5.2 (including) | 5.2 (including) |
| Sunos | Sun | 5.3 (including) | 5.3 (including) |
| Sunos | Sun | 5.4 (including) | 5.4 (including) |