CVE-2020-10745
Publication date 2 July 2020
Last updated 24 July 2024
Ubuntu priority
A flaw was found in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4 in the way it processed NetBios over TCP/IP. This flaw allows a remote attacker could to cause the Samba server to consume excessive CPU use, resulting in a denial of service. This highest threat from this vulnerability is to system availability.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| samba | 20.04 LTS focal |
Fixed 2:4.11.6+dfsg-0ubuntu1.3
|
| 18.04 LTS bionic |
Fixed 2:4.7.6+dfsg~ubuntu-0ubuntu2.17
|
|
| 16.04 LTS xenial |
Fixed 2:4.3.11+dfsg-0ubuntu0.16.04.28
|
|
| 14.04 LTS trusty |
Fixed 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm7
|
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Get Ubuntu ProSeverity score breakdown
| Parameter | Value |
|---|---|
| Base score |
7.5 · High
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-4409-1
- Samba vulnerabilities
- 2 July 2020