CVE-2021-3671
Published: 12 October 2021
A null pointer de-reference was found in the way samba kerberos server handled missing sname in TGS-REQ (Ticket Granting Server - Request). An authenticated user could use this flaw to crash the samba server.
Priority
Low
CVSS 3 base score: 6.5
Status
| Package | Release | Status |
|---|---|---|
|
heimdal Launchpad, Ubuntu, Debian |
bionic |
Needed
|
| focal |
Needed
|
|
| hirsute |
Ignored
(reached end-of-life)
|
|
| impish |
Needed
|
|
| jammy |
Needs triage
|
|
| trusty |
Needed
|
|
| upstream |
Needs triage
|
|
| xenial |
Needed
|
|
|
samba Launchpad, Ubuntu, Debian |
bionic |
Released
(2:4.7.6+dfsg~ubuntu-0ubuntu2.26)
|
| focal |
Released
(2:4.13.14+dfsg-0ubuntu0.20.04.1)
|
|
| hirsute |
Released
(2:4.13.14+dfsg-0ubuntu0.21.04.1)
|
|
| impish |
Released
(2:4.13.14+dfsg-0ubuntu0.21.10.1)
|
|
| jammy |
Released
(2:4.13.14+dfsg-0ubuntu1)
|
|
| trusty |
Needed
|
|
| upstream |
Released
(4.13.13)
|
|
| xenial |
Needed
|
Notes
| Author | Note |
|---|---|
| mdeslaur | same as CVE-2021-37750 for MIT krb5 |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3671
- https://ubuntu.com/security/notices/USN-5142-1
- https://ubuntu.com/security/notices/USN-5174-1
- NVD
- Launchpad
- Debian