CVE-2020-4031
freerdp2-shadow-x11: In FreeRDP before version 2.1.2, there is a use-after-free in gdi_SelectObject
CVE-2020-4031 is fixed in 12 products on 1 platform, first by freerdp2-shadow-x11 2.2.0+dfsg1-0ubuntu0.18.04.1, released July 27, 2020. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0165
76th percentile
In FreeRDP before version 2.1.2, there is a use-after-free in gdi_SelectObject. All FreeRDP clients using compatibility mode with /relax-order-checks are affected. This is fixed in version 2.1.2.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| freerdp2-shadow-x11 · Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.1 | freerdp2-shadow-x11 2.2.0+dfsg1-0ubuntu0.18.04.1 | Jul 27, 2020 |
| freerdp2-shadow-x11 · Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.1 | freerdp2-shadow-x11 2.2.0+dfsg1-0ubuntu0.20.04.1 | Jul 27, 2020 |
| freerdp2-wayland · Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.1 | freerdp2-wayland 2.2.0+dfsg1-0ubuntu0.18.04.1 | Jul 27, 2020 |
| freerdp2-wayland · Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.1 | freerdp2-wayland 2.2.0+dfsg1-0ubuntu0.20.04.1 | Jul 27, 2020 |
| freerdp2-x11 · Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.1 | freerdp2-x11 2.2.0+dfsg1-0ubuntu0.18.04.1 | Jul 27, 2020 |
| freerdp2-x11 · Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.1 | freerdp2-x11 2.2.0+dfsg1-0ubuntu0.20.04.1 | Jul 27, 2020 |
| libfreerdp-client2-2 · Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.1 | libfreerdp-client2-2 2.2.0+dfsg1-0ubuntu0.18.04.1 | Jul 27, 2020 |
| libfreerdp-client2-2 · Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.1 | libfreerdp-client2-2 2.2.0+dfsg1-0ubuntu0.20.04.1 | Jul 27, 2020 |
| libfreerdp-server2-2 · Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.1 | libfreerdp-server2-2 2.2.0+dfsg1-0ubuntu0.18.04.1 | Jul 27, 2020 |
| libfreerdp-server2-2 · Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.1 | libfreerdp-server2-2 2.2.0+dfsg1-0ubuntu0.20.04.1 | Jul 27, 2020 |
| libfreerdp-shadow-subsystem2-2 · Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.1 | libfreerdp-shadow-subsystem2-2 2.2.0+dfsg1-0ubuntu0.18.04.1 | Jul 27, 2020 |
| libfreerdp-shadow-subsystem2-2 · Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.1 | libfreerdp-shadow-subsystem2-2 2.2.0+dfsg1-0ubuntu0.20.04.1 | Jul 27, 2020 |
| libfreerdp-shadow2-2 · Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.1 | libfreerdp-shadow2-2 2.2.0+dfsg1-0ubuntu0.18.04.1 | Jul 27, 2020 |
| libfreerdp-shadow2-2 · Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.1 | libfreerdp-shadow2-2 2.2.0+dfsg1-0ubuntu0.20.04.1 | Jul 27, 2020 |
| libfreerdp2-2 · Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.1 | libfreerdp2-2 2.2.0+dfsg1-0ubuntu0.18.04.1 | Jul 27, 2020 |
| libfreerdp2-2 · Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.1 | libfreerdp2-2 2.2.0+dfsg1-0ubuntu0.20.04.1 | Jul 27, 2020 |
| libuwac0-0 · Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.1 | libuwac0-0 2.2.0+dfsg1-0ubuntu0.18.04.1 | Jul 27, 2020 |
| libuwac0-0 · Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.1 | libuwac0-0 2.2.0+dfsg1-0ubuntu0.20.04.1 | Jul 27, 2020 |
| libwinpr-tools2-2 · Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.1 | libwinpr-tools2-2 2.2.0+dfsg1-0ubuntu0.18.04.1 | Jul 27, 2020 |
| libwinpr-tools2-2 · Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.1 | libwinpr-tools2-2 2.2.0+dfsg1-0ubuntu0.20.04.1 | Jul 27, 2020 |
| libwinpr2-2 · Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.1 | libwinpr2-2 2.2.0+dfsg1-0ubuntu0.18.04.1 | Jul 27, 2020 |
| libwinpr2-2 · Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.1 | libwinpr2-2 2.2.0+dfsg1-0ubuntu0.20.04.1 | Jul 27, 2020 |
| winpr-utils · Ubuntu 18.04.6 LTS (bionic) | 2.2.0+dfsg1-0ubuntu0.18.04.1 | winpr-utils 2.2.0+dfsg1-0ubuntu0.18.04.1 | Jul 27, 2020 |
| winpr-utils · Ubuntu 20.04 LTS (focal) | 2.2.0+dfsg1-0ubuntu0.20.04.1 | winpr-utils 2.2.0+dfsg1-0ubuntu0.20.04.1 | Jul 27, 2020 |
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