CVE-2017-16879
Published: 22 November 2017
Stack-based buffer overflow in the _nc_write_entry function in tinfo/write_entry.c in ncurses 6.0 allows attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted terminfo file, as demonstrated by tic.
Notes
Author | Note |
---|---|
seth-arnold | The Debian bug suggests tic(1) is the only caller, in which case this would be a 'low' bug; I couldn't quickly verify this claim. |
Priority
Status
Package | Release | Status |
---|---|---|
ncurses Launchpad, Ubuntu, Debian |
hirsute |
Not vulnerable
(6.1-1ubuntu1.18.04)
|
jammy |
Not vulnerable
(6.1-1ubuntu1.18.04)
|
|
artful |
Ignored
(end of life)
|
|
bionic |
Not vulnerable
(6.1-1ubuntu1.18.04)
|
|
cosmic |
Not vulnerable
(6.1-1ubuntu1.18.04)
|
|
disco |
Not vulnerable
(6.1-1ubuntu1.18.04)
|
|
eoan |
Not vulnerable
(6.1-1ubuntu1.18.04)
|
|
focal |
Not vulnerable
(6.1-1ubuntu1.18.04)
|
|
groovy |
Not vulnerable
(6.1-1ubuntu1.18.04)
|
|
impish |
Not vulnerable
(6.1-1ubuntu1.18.04)
|
|
trusty |
Released
(5.9+20140118-1ubuntu1+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
upstream |
Released
(6.0+20171125-1)
|
|
xenial |
Released
(6.0+20160213-1ubuntu1+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
zesty |
Ignored
(end of life)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.8 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |