Vulnerability · Published Nov 16, 2022 · Assigned by GitHub_M
CVE-2022-39320Heap buffer overflow in urbdrc channel
Medium 5.5
In plain English
A medium-severity out-of-bounds read in FreeRDP from FreeRDP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP may attempt integer addition on too narrow types leads to allocation of a buffer too small holding the data written. A malicious server can trick a FreeRDP based client to read out of bound data and send it back to the server. This issue has been addressed in version 2.9.0 and all users are advised to upgrade. Users unable to upgrade should not use the `/usb` redirection switch.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | freerdp | 2:2.2.0-10.el8 | ALSA-2023:2851 |
| AlmaLinux:9 | freerdp | 2:2.4.1-5.el9 | ALSA-2023:2326 |
| AlmaLinux:8 | freerdp-devel | 2:2.2.0-10.el8 | ALSA-2023:2851 |
| AlmaLinux:9 | freerdp-devel | 2:2.4.1-5.el9 | ALSA-2023:2326 |
| AlmaLinux:8 | freerdp-libs | 2:2.2.0-10.el8 | ALSA-2023:2851 |
| AlmaLinux:9 | freerdp-libs | 2:2.4.1-5.el9 | ALSA-2023:2326 |
| AlmaLinux:8 | libwinpr | 2:2.2.0-10.el8 | ALSA-2023:2851 |
| AlmaLinux:9 | libwinpr | 2:2.4.1-5.el9 | ALSA-2023:2326 |
| AlmaLinux:8 | libwinpr-devel | 2:2.2.0-10.el8 | ALSA-2023:2851 |
| AlmaLinux:9 | libwinpr-devel | 2:2.4.1-5.el9 | ALSA-2023:2326 |
| Alpine:v3.20 | freerdp | 2.9.0-r0 | ALPINE-CVE-2022-39320 |
| Alpine:v3.21 | freerdp | 2.9.0-r0 | ALPINE-CVE-2022-39320 |
| Alpine:v3.22 | freerdp | 2.9.0-r0 | ALPINE-CVE-2022-39320 |
| Alpine:v3.23 | freerdp | 2.9.0-r0 | ALPINE-CVE-2022-39320 |
| Alpine:v3.24 | freerdp | 2.9.0-r0 | ALPINE-CVE-2022-39320 |
| Alpine:v3.22 | freerdp2 | 2.9.0-r0 | ALPINE-CVE-2022-39320 |
| Alpine:v3.23 | freerdp2 | 2.9.0-r0 | ALPINE-CVE-2022-39320 |
| Alpine:v3.24 | freerdp2 | 2.9.0-r0 | ALPINE-CVE-2022-39320 |
| Debian:12 | freerdp2 | 2.9.0+dfsg1-1 | DEBIAN-CVE-2022-39320 |
| Rocky Linux:8 | freerdp | 2:2.2.0-10.el8 | RLSA-2023:2851 |
| Ubuntu:22.04:LTS | freerdp2 | 2.6.1+dfsg1-3ubuntu2.3 | UBUNTU-CVE-2022-39320 |
| Ubuntu:22.04:LTS | freerdp2 | 2.6.1+dfsg1-3ubuntu2.3 | USN-5734-1 |
Affected products (as reported)
Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L