CVE-2015-5370
Publication date 12 April 2016
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not properly implement the DCE-RPC layer, which allows remote attackers to perform protocol-downgrade attacks, cause a denial of service (application crash or CPU consumption), or possibly execute arbitrary code on a client system via unspecified vectors.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| samba | ||
| 16.04 LTS xenial |
Fixed 2:4.3.8+dfsg-0ubuntu1
|
|
| 14.04 LTS trusty |
Fixed 2:4.3.8+dfsg-0ubuntu0.14.04.2
|
|
| samba4 | ||
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release | |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
|
| Attack vector | Network |
| Attack complexity | High |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | High |
| Availability impact | None |
| Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
References
Related Ubuntu Security Notices (USN)
- USN-2950-1
- Samba vulnerabilities
- 18 April 2016