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
Author | Note |
---|---|
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
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 |
References
- https://appgateresearch.blogspot.com/2020/02/bravestarr-fedora-31-netkit-telnetd_28.html
- https://github.com/krb5/krb5-appl/blob/d00cd671dfe945791b33d4f1f6a5c57ae1667ef8/telnet/telnetd/utility.c#L205-L216
- https://ubuntu.com/security/notices/USN-5048-1
- https://ubuntu.com/security/notices/USN-5048-2
- https://www.cve.org/CVERecord?id=CVE-2020-10188
- NVD
- Launchpad
- Debian