CVE-2020-14347
Publication date 5 August 2020
Last updated 24 July 2024
Ubuntu priority
A flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| xorg | 20.04 LTS focal |
Not affected
|
| 18.04 LTS bionic |
Not affected
|
|
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty | Not in release | |
| xorg-hwe-16.04 | 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release | |
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty | Not in release | |
| xorg-server | 20.04 LTS focal |
Fixed 2:1.20.8-2ubuntu2.3
|
| 18.04 LTS bionic |
Fixed 2:1.19.6-1ubuntu4.5
|
|
| 16.04 LTS xenial |
Fixed 2:1.18.4-0ubuntu0.9
|
|
| 14.04 LTS trusty |
Fixed 2:1.15.1-0ubuntu2.11+esm2
|
|
| xorg-server-hwe-16.04 | 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release | |
| 16.04 LTS xenial |
Fixed 2:1.19.6-1ubuntu4.1~16.04.3
|
|
| 14.04 LTS trusty | Not in release | |
| xorg-server-hwe-18.04 | 20.04 LTS focal | Not in release |
| 18.04 LTS bionic |
Fixed 2:1.20.8-2ubuntu2.2~18.04.2
|
|
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release | |
| xorg-server-lts-utopic | 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release | |
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release | |
| xorg-server-lts-vivid | 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release | |
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release | |
| xorg-server-lts-wily | 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release | |
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release | |
| xorg-server-lts-xenial | 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Not in release | |
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release |
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Get Ubuntu ProSeverity score breakdown
| Parameter | Value |
|---|---|
| Base score |
5.5 · Medium
|
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
References
Related Ubuntu Security Notices (USN)
- USN-4488-1
- X.Org X Server vulnerabilities
- 2 September 2020
- USN-4488-2
- X.Org X Server vulnerabilities
- 9 September 2020