# CVE-2020-4032: freerdp2-shadow-x11: In FreeRDP before version 2.1.2, there is an integer casting vulnerability in update_recv_secondary_order

CVE-2020-4032 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.

- Web page: https://patchblox.com/security/cve/CVE-2020-4032
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0189
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 22, 2020

## Description

In FreeRDP before version 2.1.2, there is an integer casting vulnerability in update_recv_secondary_order. All clients with +glyph-cache /relax-order-checks are affected. This is fixed in version 2.1.2.

## Where it's fixed

| Platform | 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](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-freerdp2-shadow-x11-2.2.0-dfsg1-0ubuntu0.18.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-focal-freerdp2-shadow-x11-2.2.0-dfsg1-0ubuntu0.20.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-freerdp2-wayland-2.2.0-dfsg1-0ubuntu0.18.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-focal-freerdp2-wayland-2.2.0-dfsg1-0ubuntu0.20.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-freerdp2-x11-2.2.0-dfsg1-0ubuntu0.18.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-focal-freerdp2-x11-2.2.0-dfsg1-0ubuntu0.20.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreerdp-client2-2-2.2.0-dfsg1-0ubuntu0.18.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreerdp-client2-2-2.2.0-dfsg1-0ubuntu0.20.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreerdp-server2-2-2.2.0-dfsg1-0ubuntu0.18.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreerdp-server2-2-2.2.0-dfsg1-0ubuntu0.20.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreerdp-shadow-subsystem2-2-2.2.0-dfsg1-0ubuntu0.18.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreerdp-shadow-subsystem2-2-2.2.0-dfsg1-0ubuntu0.20.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreerdp-shadow2-2-2.2.0-dfsg1-0ubuntu0.18.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreerdp-shadow2-2-2.2.0-dfsg1-0ubuntu0.20.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libfreerdp2-2-2.2.0-dfsg1-0ubuntu0.18.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libfreerdp2-2-2.2.0-dfsg1-0ubuntu0.20.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libuwac0-0-2.2.0-dfsg1-0ubuntu0.18.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libuwac0-0-2.2.0-dfsg1-0ubuntu0.20.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwinpr-tools2-2-2.2.0-dfsg1-0ubuntu0.18.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwinpr-tools2-2-2.2.0-dfsg1-0ubuntu0.20.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwinpr2-2-2.2.0-dfsg1-0ubuntu0.18.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libwinpr2-2-2.2.0-dfsg1-0ubuntu0.20.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-winpr-utils-2.2.0-dfsg1-0ubuntu0.18.04.1.md) | Jul 27, 2020 |
| Linux | 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](https://patchblox.com/security/data/fix/linux/ubuntu-focal-winpr-utils-2.2.0-dfsg1-0ubuntu0.20.04.1.md) | Jul 27, 2020 |

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