CVE-2020-25717
Published: 9 November 2021
A flaw was found in the way Samba maps domain users to local users. An authenticated attacker could use this flaw to cause possible privilege escalation.
Notes
| Author | Note |
|---|---|
| mdeslaur | The fix for this issue introduces behaviour changes |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
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)
|
|
| kinetic |
Released
(2:4.13.14+dfsg-0ubuntu1)
|
|
| lunar |
Released
(2:4.13.14+dfsg-0ubuntu1)
|
|
| upstream |
Released
(4.13.14)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.1 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25717
- https://www.samba.org/samba/security/CVE-2020-25717.html
- https://www.samba.org/samba/history/samba-4.13.14.html
- https://ubuntu.com/security/notices/USN-5142-1
- https://ubuntu.com/security/notices/USN-5174-1
- NVD
- Launchpad
- Debian