CVE-2020-27347
Published: 4 November 2020
In tmux before version 3.1c the function input_csi_dispatch_sgr_colon() in file input.c contained a stack-based buffer-overflow that can be exploited by terminal output.
Notes
Author | Note |
---|---|
alexmurray | Affects tmux versions >= 2.9 |
Priority
Status
Package | Release | Status |
---|---|---|
tmux Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(code not present)
|
focal |
Released
(3.0a-2ubuntu0.2)
|
|
groovy |
Released
(3.1b-1ubuntu0.1)
|
|
precise |
Not vulnerable
|
|
trusty |
Not vulnerable
(code not present)
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
(code not present)
|
|
Patches: upstream: https://github.com/tmux/tmux/commit/a868bacb46e3c900530bed47a1c6f85b0fbe701c |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 8.5 |
Attack vector | Network |
Attack complexity | High |
Privileges required | Low |
User interaction | None |
Scope | Changed |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |