CVE-2018-14629
Publication date 27 November 2018
Last updated 25 August 2025
Ubuntu priority
Description
A denial of service vulnerability was discovered in Samba's LDAP server before versions 4.7.12, 4.8.7, and 4.9.3. A CNAME loop could lead to infinite recursion in the server. An unprivileged local attacker could create such an entry, leading to denial of service.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| samba | ||
| 18.04 LTS bionic |
Fixed 2:4.7.6+dfsg~ubuntu-0ubuntu2.5
|
|
| 16.04 LTS xenial |
Fixed 2:4.3.11+dfsg-0ubuntu0.16.04.18
|
|
| 14.04 LTS trusty |
Fixed 2:4.3.11+dfsg-0ubuntu0.14.04.19
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
6.5 · Medium
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-3827-2
- Samba vulnerabilities
- 27 November 2018
- USN-3827-1
- Samba vulnerabilities
- 27 November 2018