CVE-2021-39537
Published: 20 September 2021
An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.
Notes
Author | Note |
---|---|
mdeslaur | read of size 1, DoS only |
Priority
Status
Package | Release | Status |
---|---|---|
ncurses Launchpad, Ubuntu, Debian |
bionic |
Released
(6.1-1ubuntu1.18.04.1)
|
focal |
Released
(6.2-0ubuntu2.1)
|
|
hirsute |
Ignored
(reached end-of-life)
|
|
impish |
Not vulnerable
(6.2+20201114-2build1)
|
|
jammy |
Not vulnerable
(6.3-2)
|
|
kinetic |
Not vulnerable
(6.3-2)
|
|
lunar |
Not vulnerable
(6.3-2)
|
|
trusty |
Released
(5.9+20140118-1ubuntu1+esm2)
|
|
upstream |
Released
(6.2-20200531, 6.3)
|
|
xenial |
Released
(6.0+20160213-1ubuntu1+esm2)
|
|
Patches: upstream: https://github.com/mirror/ncurses/commit/790a85dbd4a81d5f5d8dd02a44d84f01512ef443 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 8.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |