CVE-2020-5209
Published: 28 January 2020
In NetHack before 3.6.5, unknown options starting with -de and -i 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 influence command line options. 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 |
Needs triage
|
eoan |
Ignored
(end of life)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.6.5)
|
|
impish |
Not vulnerable
(3.6.6-1)
|
|
groovy |
Not vulnerable
(3.6.6-1)
|
|
hirsute |
Not vulnerable
(3.6.6-1)
|
|
xenial |
Needs triage
|
|
jammy |
Not vulnerable
(3.6.6-1)
|
|
focal |
Needs triage
|
|
kinetic |
Not vulnerable
(3.6.6-1)
|
|
lunar |
Not vulnerable
(3.6.6-1)
|
|
mantic |
Not vulnerable
(3.6.6-1)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.8 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |