CVE-2020-9366
Published: 24 February 2020
A buffer overflow was found in the way GNU Screen before 4.8.0 treated the special escape OSC 49. Specially crafted output, or a special program, could corrupt memory and crash Screen or possibly have unspecified other impact.
Notes
| Author | Note |
|---|---|
| leosilva | vulnerable code introduced in v4.7.0 introduced by https://git.savannah.gnu.org/cgit/screen.git/commit/?id=c5db181b6e017cfccb8d7842ce140e59294d9f62 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
screen Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
| eoan |
Not vulnerable
|
|
| trusty |
Not vulnerable
|
|
| upstream |
Released
(4.8.0-1)
|
|
| xenial |
Not vulnerable
|
|
|
Patches: upstream: https://git.savannah.gnu.org/cgit/screen.git/commit/?id=68386dfb1fa33471372a8cd2e74686758a2f527b upstream: https://git.savannah.gnu.org/cgit/screen.git/commit/?id=0dd53533e20d2948351a99ec5336fbc9b82b226a |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |