CVE-2020-14323
Published: 29 October 2020
A null pointer dereference flaw was found in samba's Winbind service in versions before 4.11.15, before 4.12.9 and before 4.13.1. A local user could use this flaw to crash the winbind service causing denial of service.
Notes
| Author | Note |
|---|---|
| mdeslaur | This is GHSL-2020-134 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
samba Launchpad, Ubuntu, Debian |
bionic |
Released
(2:4.7.6+dfsg~ubuntu-0ubuntu2.21)
|
| focal |
Released
(2:4.11.6+dfsg-0ubuntu1.6)
|
|
| groovy |
Released
(2:4.12.5+dfsg-3ubuntu4.1)
|
|
| hirsute |
Released
(2:4.12.5+dfsg-3ubuntu4.1)
|
|
| trusty |
Released
(2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| upstream |
Released
(4.11.15,4.12.9,4.13.1)
|
|
| xenial |
Released
(2:4.3.11+dfsg-0ubuntu0.16.04.32)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |