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.
Priority
Medium
CVSS 3 base score: 9.8
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)
|
|
| precise |
Does not exist
|
|
| trusty |
Needs triage
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support, was needs-triage)
|
|
|
netkit-telnet Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(0.17-41)
|
| eoan |
Ignored
(reached end-of-life)
|
|
| focal |
Not vulnerable
(0.17-41.2build1)
|
|
| groovy |
Ignored
(reached end-of-life)
|
|
| hirsute |
Ignored
(reached end-of-life)
|
|
| impish |
Not vulnerable
(0.17-42)
|
|
| jammy |
Not vulnerable
(0.17-44build1)
|
|
| precise |
Ignored
(end of ESM support, was not-affected)
|
|
| trusty |
Not vulnerable
(0.17-36build2)
|
|
| upstream |
Released
(0.17-18woody2)
|
|
| xenial |
Not vulnerable
(0.17-40)
|
|
|
netkit-telnet-ssl Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
| eoan |
Ignored
(reached end-of-life)
|
|
| focal |
Needs triage
|
|
| groovy |
Ignored
(reached end-of-life)
|
|
| hirsute |
Ignored
(reached end-of-life)
|
|
| impish |
Needs triage
|
|
| jammy |
Needs triage
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support, was needs-triage)
|
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. |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10188
- 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
- NVD
- Launchpad
- Debian