CVE-2020-5211
Published: 28 January 2020
In NetHack before 3.6.5, an invalid extended command in value for the AUTOCOMPLETE configuration file option can cause a buffer overflow resulting in a crash or remote code execution/privilege escalation. This vulnerability affects systems that have NetHack installed suid/sgid and shared systems that allow users to upload their own configuration files. Users should upgrade to NetHack 3.6.5.
Notes
Author | Note |
---|---|
msalvatore | Nethack is installed sgid games, but not suid or sgid root. |
Priority
Status
Package | Release | Status |
---|---|---|
nethack Launchpad, Ubuntu, Debian |
bionic |
Needed
|
eoan |
Ignored
(end of life)
|
|
focal |
Needed
|
|
groovy |
Not vulnerable
(3.6.6-1)
|
|
hirsute |
Not vulnerable
(3.6.6-1)
|
|
impish |
Not vulnerable
(3.6.6-1)
|
|
jammy |
Not vulnerable
(3.6.6-1)
|
|
kinetic |
Not vulnerable
(3.6.6-1)
|
|
lunar |
Not vulnerable
(3.6.6-1)
|
|
mantic |
Not vulnerable
(3.6.6-1)
|
|
noble |
Not vulnerable
(3.6.6-1)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.5)
|
|
xenial |
Needed
|
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 |