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CVE-2020-10188

Published: 6 March 2020

utility.c in telnetd in netkit telnet through 0.17 allows remote attackers to execute arbitrary code via short writes or urgent data, because of a buffer overflow involving the netclear and nextitem functions.

Notes

AuthorNote
ccdm94
in netkit-telnet, this CVE was patched in 0.17-18woody2. See
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=953477 for
more information.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
inetutils
Launchpad, Ubuntu, Debian
bionic
Released (2:1.9.4-3ubuntu0.1)
focal
Released (2:1.9.4-11ubuntu0.1)
groovy Not vulnerable
(2:1.9.4-12)
hirsute Not vulnerable
(2:1.9.4-12)
impish Not vulnerable
(2:1.9.4-12)
jammy Not vulnerable
(2:1.9.4-12)
kinetic Not vulnerable
(2:1.9.4-12)
lunar Not vulnerable
(2:1.9.4-12)
mantic Not vulnerable
(2:1.9.4-12)
trusty Needs triage

upstream Needs triage

xenial
Released (2:1.9.4-1ubuntu0.1~esm1)
Available with Ubuntu Pro
netkit-telnet
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(0.17-41)
eoan Ignored
(end of life)
focal Not vulnerable
(0.17-41.2build1)
groovy Ignored
(end of life)
hirsute Ignored
(end of life)
impish Not vulnerable
(0.17-42)
jammy Not vulnerable
(0.17-44build1)
kinetic Not vulnerable
(0.17-44build1)
lunar Does not exist

mantic Does not exist

trusty Not vulnerable
(0.17-36build2)
upstream
Released (0.17-18woody2)
xenial Not vulnerable
(0.17-40)
Binaries built from this source package are in Universe and so are supported by the community.
netkit-telnet-ssl
Launchpad, Ubuntu, Debian
bionic Needs triage

eoan Ignored
(end of life)
focal Needs triage

groovy Ignored
(end of life)
hirsute Ignored
(end of life)
impish Ignored
(end of life)
jammy Needs triage

kinetic Ignored
(end of life, was needs-triage)
lunar Ignored
(end of life, was needs-triage)
mantic Needs triage

trusty Does not exist

upstream Needs triage

xenial Needs triage

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