CVE-2017-5618
Published: 20 March 2017
GNU screen before 4.5.1 allows local users to modify arbitrary files and consequently gain root privileges by leveraging improper checking of logfile permissions.
Notes
| Author | Note |
|---|---|
| seth-arnold | introduced via the following patches: http://git.savannah.gnu.org/cgit/screen.git/commit/?id=c575c40c9bd7653470639da32e06faed0a9b2ec4 http://git.savannah.gnu.org/cgit/screen.git/commit/?h=screen-v4&id=5460f5d28c01a9a58e021eb1dffef2965e629d58 |
Priority
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |